Ch 2 Botany Flashcards
Cell theory was formulated by
(1) Schleiden and Schwann
(2) Robert Hooke
(3) Leeuwenhoek
(4) Marcello Malpighi
(1) Schleiden and Schwann
Name the scientist, who saw a live cell the first time.
(1) G.N Ramachandran
(2) Antonie van Leeuwenhoek
(3) Robert White
(4) Schwann
(2) Antonie van Leeuwenhoek
Scientists who proposed the hypothesis that the
bodies of animals and plants are composed of cells
and products of cells
(1) Schleiden and Schwann
(2) Rudolf Virchow
(3) Robert Brown
(4) Schwann
(4) Schwann
‘Omnis cellula-e cellula’ i.e., new cells arise from
pre-existing cells; this statement is given by
(1) Schleiden and Schwann
(2) Rudolf Virchow
(3) Robert Brown
(4) Robert Hooke
(2) Rudolf Virchow
The Genomic DNA or Genetic material is naked in
(1) All prokaryotic cells
(2) Few eukaryotic cells
(3) All multicellular organism
(4) All Unicellular organism
(1) All prokaryotic cell
(A) Leeuwenhoek (i) First saw and described
living cell
(B) Robert Brown (ii) The Presence of cell
wall is unique to plant cells
(C) Schleiden (iii) Discovered the nucleus
(D) Schwann (iv) All plants are composed
of different kinds of cell
match the following
(1) A-(i), B-(iii), C-(iv), D-(ii)
(2) A-(i), B-(iii), C-(ii), D-(iv)
(3) A-(iii), B-(i), C-(iv), D-(ii)
(4) A-(i), B-(iv), C-(ii), D-(iii)
(1) A-(i), B-(iii), C-(iv), D-(ii)
Schwann proposed about plant cell was
(1) Cell wall is a unique character of the plant
cells.
(2) All life activities of the organisms are present
in miniature form in each and every cell of
its body
(3) Bodies of animals and plants are made up of
cells
(4) A new cell always develops through by the
division of pre-existing cells
(1) Cell wall is a unique character of the plant
cells.
What is true about the genetic material of a
prokaryotic cell?
(1) Lacks histones
(2) Not enveloped by a nuclear membrane
(3) Composed of a single circular DNA molecule
(4) All of these
(4) All of these
Which of the following is similar in both prokaryote
and eukaryotes?
(1) Ribosome
(2) Cell wall
(3) Plasma membrane
(4) Nucleus
3) Plasma membrane
(1) Smallest cell → Mycoplasma
(2) Smallest cell → Bacteria
(3) Largest single cell → Ostrich’s egg
(4) None of these
Which of the following is incorrect?
(2) Smallest cell → Bacteria
Which of the following structures is not found in a
prokaryotic cell?
(1) Ribosome
(2) Mesosome
(3) Plasma membrane
(4) Nuclear envelope
(4) Nuclear envelope
The type of ribosomes found in prokaryotes is
(1) 80 S type
(2) 70 S type
(3) 30 S type
(4) 50 S type
(2) 70 S type
Eukaryotic cell and prokaryotic cell have common-
(1) Nucleus
(2) Nucleoid
(3) Membrane of lipid
(4) Membrane bound organelle
(3) Membrane of lipid
Well defined nucleus is absent in-
(1) E. coli
(2) Yeast cell
(3) Plant cell
(4) Animal cell
(1) E. coli
Double membrane cell organelles are
(1) Mitochondria
(2) Chloroplast
(3) Nucleus
(4) All of these
(4) All of these
Find out the correct statement with respect to
unit S
(1) Svedberg unit
(2) Direct measure of size, density
(3) Additive
(4) All of the above
(1) Svedberg unit
What are the subunits of 80 S ribosome?
(1) 50 S and 30 S
(2) 60 S and 30 S
(3) 60 S and 40 S
(4) 50 S and 40 S
(3) 60 S and 40 S
Nucleus was discovered by
(1) Robert Hooke
(2) Robert Brown
(3) Schleiden
(4) Virchow
(2) Robert Brown
The name chromatin was coined by
(1) Flemming
(2) Robert Brown
(3) George Palade
(4) Camillo Golgi
(1) Flemming
Material of the nucleus is stained by
(1) acidic dye
(2) basic dye
(3) neutral dye
(4) iodine
(2) basic dye
For the study of structure of nucleus, the best cell is
(1) cell in the interphase
(2) cell in the late prophase
(3) cell in the divisional phase
(4) cell in the meiotic phase
(1) cell in the interphase
The cells that lack nucleus are
(1) erythrocytes of many mammals
(2) sieve tube cells of vascular plants
(3) lymphocytes of mammals
(4) Both (1) and (2)
(4) Both (1) and (2)
Nuclear pores are the regions in nuclear envelope
(1) where both membranes are fused
(2) where outer membrane is ruptured
(3) which allows unidirectional flow of RNA and
proteins
(4) Both (1) and (3)
(1) where both membranes are fused
The content of nucleolus is continuous with the rest
of the nucleoplasm as
(1) it is the site of active rRNA synthesis
(2) It is spherical
(3) It is membraneless
(4) It is associated with NOR of certain
chromosomes
(3) It is membraneless
Cells actively carrying out protein synthesis have
(1) Smaller and single nucleolus
(2) Smaller and more numerous nucleoli
(3) Large and more numerous nucleoli
(4) Larger and single nucleolus
(3) Large and more numerous nucleoli
Chromatin consists of-
(1) DNA only
(2) DNA + Histones
(3) DNA + RNA + histones + Non-histones Protein
(4) Ribonucleoproteins only
(3) DNA + RNA + histones + Non-histones Protein
Nucleolus is
(1) Spherical
(2) Not continuous with nucleoplasm
(3) More in number in those cells that actively carry
out protein synthesis
(4) both 1 and 3
(4) both 1 and 3
Perinuclear space is a fluid space
(1) Surrounding the nuclear envelope
(2) Lying as an inner rim surrounded by the nuclear
envelope
(3) Enveloping the nucleolus
(4) Between the two membranes of the nuclear
membrane
(4) Between the two membranes of the nuclear
membrane
The nucleus is separated from surrounding cytoplasm
by a nuclear membrane, which is
(1) Single-layered with pores
(2) Single-layered without pores
(3) Double-layered without pores
(4) Double-layered with pores
(4) Double-layered with pores
(1) Larger nucleoli are present in dividing cells
(2) It is a site for active ribosomal RNA synthesis
(3) It takes part in spindle formation
(4) It is a membrane-bound structure
Which of the following is true for nucleolus
(2) It is a site for active ribosomal RNA synthesis
The centromere lies slightly away from the middle of
the chromosome resulting in one shorter arm and one
longer arm. This type of chromosome is called
(1) Acrocentric
(2) Submetacentric
(3) Metacentric
(4) Subtelocentric
(2) Submetacentric
The chromosome which has a terminal centromere is
(1) Metacentric
(2) Telocentric
(3) Acrocentric
(4) Sub-metacentric
(2) Telocentric
Ribosomes are composed of
(1) RNA only
(2) Proteins only
(3) RNA and proteins
(4) RNA, proteins and DNA
(3) RNA and proteins
(1) Non-membrane bound
(2) Present in the cytoplasm and on RER
(3) Absent chloroplast and mitochondria
(4) Take part in protein synthesis
Which of these is not correct regarding ribosomes
(3) Absent chloroplast and mitochondria
(1) Made of two subunits
(2) Form polysome
(3) May attach to mRNA
(4) Have no role in protein synthesis
Select one which is not true for ribosomes.
(4) Have no role in protein synthesis
Scientist discovered ribosomes as dense particles
under the electron microscope?
(1) George Palade
(2) Schwann
(3) Robert brown
(4) Nicolson
(1) George Palade
The membrane of the ER are continuous with the
membrane of –
(1) Nucleus
(2) Golgi body
(3) Membrane of mitochondria
(4) Membrane of plastid
(1) Nucleus
The SER is the major site of synthesis of –
(1) Lipid
(2) Protein
(3) Lipid, steroidal hormones and glycogen
metabolism
(4) Protein and lipid
(3) Lipid, steroidal hormones and glycogen
metabolism
Difference between rough and smooth endoplasmic
reticulum is that
(1) Rough ER has ribosomes
(2) Smooth ER has ribosomes
(3) Smooth ER takes part in protein synthesis
(4) Both have F1 particles
(1) Rough ER has ribosomes
Which face of Golgi body receives material for
packaging?
(1) Cis face
(2) Trans face
(3) Forming face
(4) Both (1) and (3)
(4) Both (1) and (3)
What is diameter of cisternae of Golgi body in
micrometer?
(1) 0.5-1.0
(2) 1.0-2.0
(3) 0.2-1.0
(4) 1.0-4.1
(1) 0.5-1.0
cell organelles is directly connected to the outer nuclear membrane?
(1) Mitochondria
(2) Golgi body
(3) ER
(4) Chromatin
(3) ER
Smooth endoplasmic reticulum is well developed in
the cells which synthesise
(1) steroids
(2) protein
(3) carbohydrates
(4) all of these
(1) steroids
Statement 1 : The cisternae in Golgi complex have
cis face and trans face.
Statement 2 : The cis face is also called forming
face and trans face is also called maturing face.
Read the given statements and select the correct
option.
(1) Both statement 1 and 2 are correct
(2) Statement 1 is correct but statement 2 is
incorrect
(3) Statement 1 is incorrect but statement 2 is
correct
(4) Both statement 1 and 2 are incorrect
(1) Both statement 1 and 2 are correct
(1) Site of synthesis of glycoproteins and glycolipids
(2) Secretion
(3) Membrane transformation
(4) Site of protein synthesis
Which of these is not a function of Golgi apparatus?
(4) Site of protein synthesis
Endoplasmic reticulum
(1) Is scattered in the cytoplasm
(2) Made of large tubular structures
(3) Divides intracellular space into luminal space
and extraluminal space
(4) Both (1) and (3)
(4) Both (1) and (3)
(1) Chemically RNA and Protein
(2) Measure in Svedberg’s constant
(3) Eukaryotes have both 70S and 80S ribosome
(4) 80S ribosome is present in organelle
Which of the following is not a feature of ribosome?
(4) 80S ribosome is present in organelle
(1) Formation of lysosome
(2) Packaging of material
(3) Synthesis of glycogen
(4) Synthesis of glycolipid
Which of the following is not a function of Golgi body?
(3) Synthesis of glycogen
When was Golgi body discovered?
(1) 1998
(2) 1898
(3) 1975
(4) 1972
(2) 1898
After packaging the materials are released from
which face of Golgi body?
(1) Cis
(2) Trans
(3) Forming
(4) Convex
(2) Trans
(1) ER → Vesicles → Cis region of GB → Trans
region of GB → Vesicles → Plasma membrane
(2) ER → GB → Lysosome → Nuclear membrane
→ Plasma membrane
(3) ER → Vesicles → Trans region of GB → Cis
region of GB → Vesicles → Plasma membrane
(4) Lysosome → ER → GB → Vesicles → Cell
membrane
Which of the following is the correct sequence/route of the secretory product?
(1) ER → Vesicles → Cis region of GB → Trans
region of GB → Vesicles → Plasma membrane
A)Protein (i) SER
B)Lipid (ii) Golgi body
C )Glycoprotein (iii) Lysosome
D) Hydrolytic enzyme (iv) RER
Match the following
(1) A-(i), B-(ii), C-(iii), D-(iv)
(2) A-(iv), B-(ii), C-(i), D-(iii)
(3) A-(iv), B-(i), C-(ii), D-(iii)
(4) A-(i), B-(iii), C-(ii), D-(iv)
(3) A-(iv), B-(i), C-(ii), D-(iii)
Which of the organelle shows glycosidation?
(1) SER
(2) RER
(3) both SER and RER
(4) Golgi body
(4) Golgi body
Acid hydrolases are present in –
(1) ER
(2) Golgi bodies
(3) Lysosomes
(4) Centriole
(3) Lysosomes
Vesicles from ER fuse with Golgi body at face –
(1) Convex
(2) Concave
(3) Trans
(4) Maturing face
(1) Convex
(1) Lysosomes are formed by the process of
packaging in the endoplasmic reticulum.
(2) Lysosomes have numerous hydrolytic enzymes.
(3) The hydrolytic enzymes of lysosomes are active
under acidic pH.
(4) Lysosomes are membrane-bound structures
Which of the following statements is not correct
Lysosomes are formed by the process of
packaging in the endoplasmic reticulum
Which face of Golgi body cisternae is towards
membrane –
(1) Convex
(2) Concave
(3) Cis
(4) Forming face
(2) Concave
Function of contractile vacuole is
(1) excretion
(2) osmoregulation
(3) Both (1) & (2)
(4) gaseous exchange
(3) Both (1) & (2)
I. It contains water, sap, excretory product and
other unwanted materials.
II. It is bound by a single membrane called
tonoplast
III. In plant cells, it can occupy upto 90% of cellular
volume
IV. It content forms cell sap
V. It maintains turgor pressure
The above features are attributed to-
(1) Lysosome
(2) Vacuole
(3) Peroxisome
(4) Food
(2) Vacuole
(1) In Amoeba, contractile vacuole is important for
excretion and osmoregulation
(2) In many cells as in protists, food vacuoles are
formed by engulfing the food particles
(3) Both (1) and (2)
(4) Vacuole is always small sized in all cells of plant
which one is correct
(3) Both (1) and (2)
(A) RER (i) Intracellular and
extracellular digestion
(B) SER (ii) Lipid synthesis
(C) Golgi complex (iii) Protein synthesis
and secretion
(D) Lysosomes (iv) Moves materials
out of the cell
(1) A-(iii), B-(ii), C-(iv), D-(i)
(2) A-(ii), B-(iii), C-(iv), D-(i)
(3) A-(i), B-(iii), C-(ii), D-(iv)
(4) A-(iv), B-(ii), C-(iii), D-(i)
(1) A-(iii), B-(ii), C-(iv), D-(i)
(1) Most of the organisms have a single cell in their
bodies
(2) Robert Hooke was the first person to describe a
living cell
(3) Both
(4) None
Which of the following is true
(4) None
Matthias Schleiden was
(1) British Zoologist
(2) German Botanist
(3) British Botanist
(4) German Zoologist
(2) German Botanist
Which of the cell is round and biconcave?
(1) Mesophyll cell
(2) Tracheid
(3) RBC
(4) WBC
(3) RBC
What is the size of the smallest cells in a micrometer?
(1) 0.3
(2) 0.4
(3) 1.0
(4) 3.0
1) 0.3
Who gave the final shape to cell theory?
(1) Virchow
(2) Schwann
(3) Schleiden
(4) LeeuwenhoeK
(1) Virchow
Which one is an exception to cell theory?
(1) Virus
(2) Mycoplasma
(3) Algae
(4) All the above
(1) Virus
What is the meaning of Omnis cellula-e cellula?
(1) All cells have a nucleus
(2) Cell is the basic unit of life
(3) Living things are composed of cells
(4) All cells arise from pre-existing cells
(4) All cells arise from pre-existing cells
In which year did Matthias Schleiden observe
different types of cells in various plant tissue?
(1) 1902
(2) 1855
(3) 1838
(4) 1905
(3) 1838
Prokaryotic cells are generally ____ and multiply
____ than the eukaryotic cells.
(1) Smaller, slower
(2) Larger, slower
(3) Smaller, faster
(4) Larger, faster
(3) Smaller, faster
Unicellular organism are:
(1) Not capable of independent existence because
they cannot perform all the essential functions of
life
(2) Not capable of independent existence but they
can perform all the essential vital functions
(3) Are capable of independent existence and
perform all the essential vital functions
(4) Are capable to lead independent existence but
they perform some vital functions
(3) Are capable of independent existence and
perform all the essential vital function
Arrange the following cells in an ascending order of
their sizes
I. Mycoplasma II. Ostrich egg
III. Human RBC IV. Bacteria
(1) I, II, III, IV
(2) I, IV, III, II
(3) II, IV, I, III
(4) IV, III, II, I
(2) I, IV, III, II
Which of the following has the largest size –
(1) Mycoplasma
(2) Mitochondria
(3) Chloroplast
(4) TMV
(3) Chloroplast
virus (TMV) is smallest than Mycoplasma
Who coined the term cell?
(1) Robert Hooke
(2) Robert Brown
(3) Flemming
(4) Leeuwenhoek
(1) Robert Hooke
Theory proposed by Schleiden and Schwann
however, did not explain
(1) All cells formed from pre-existing cell
(2) How new cells were formed
(3) Body of animals is composed of cells
(4) How DNA replication occurs
(2) How new cells were formed
The shape of the cell:
(1) Is same for all organisms
(2) Vary with function they performed
(3) Both (1) and (2)
(4) None of the above
(2) Vary with function they performe
(1) Cells that have membrane bound nuclei –
Eukaryotic
(2) Cytoplasm is the main arena of cellular activities
in both plant & animal cells
(3) Various physical reactions occur in cells to keep
it in living state
(4) None of the above
Choose incorrect option
(3) Various physical reactions occur in cells to keep
it in living state ( in place of physical reaction =chemical reaction )
(1) Mesosome
(2) Circular DNA
(3) Photosynthetic membrane system
(4) Membrane bound organelles
Which of the following is not a characteristic of
prokaryotic cell
(4) Membrane bound organelles
(1) They are composed of protein
(2) They may be used for attachment
(3) They are small bristle like fibres sprouting out of
the bacterial cell
(4) They form pellicle
Which of the following is not true about fimbriae?
(4) They form pellicle
Bacterial flagellum consists of all of the following
parts except-
(1) Filament
(2) Microtubule
(3) Hook
(4) Basal body
(2) Microtubule
Which of the following statements concerning
prokaryotes is / are true?
(1) Because prokaryotes do not contain organelles,
they cannot photosynthesize or carry out cellular
respiration
(2) Prokaryotes have no chromosomes and therefore
lack DNA
(3) Prokaryotic flagella are similar in structure to
eukaryotic flagella
(4) None of the above
(4) None of the above
The reserve food material of the Prokaryotic cell is
(1) Glycogen and oil
(2) Starch
(3) Inclusion bodies
(4) Laminarin
(3) Inclusion bodies
Which of the following statements about inclusion
bodies is incorrect?
(1) They are not bound by any membrane.
(2) These are involved in ingestion of food particles.
(3) They lie free in the cytoplasm
(4) These represent reserve material in cytoplasm
(2) These are involved in ingestion of food particles
Most prokaryotic cells, particularly the bacterial
cells, have
(1) A chemically simple cell envelope
(2) A chemically complex cell envelope
(3) No cell envelope
(4) Cell envelope only in the form a cell membrane
2) A chemically complex cell envelope
Which of the following not represents prokaryotic
cells?
(1) Lactobacillus
(2) Mycoplasma
(3) Nostoc
(4) TMV
(4) TMV
Bacterial cell possess Plasmid having all the
following characteristics except
(1) Single stranded circular DNA
(2) Self replicating
(3) Extra chromosomal
(4) Carry essential gene
(1) Single stranded circular DNA
A specialised Structure develop From cell membrane
of prokaryotes cell is
(1) Tubulin
(2) Mesosome
(3) Cilia
(4) Centriole
(2) Mesosome
Which of the following part provides sticky character
to the bacterial cell?
(1) Cell wall
(2) Mesosome
(3) Plasma membrane
(4) Glycocalyx
(4) Glycocalyx
Outermost layer Glycocalyx could be a loose sheath
called the ……. or it may be thick and tough, called
the …….
(1) capsule; Chromatophore
(2) slime layer; capsule
(3) mesosome, slime layer
(4) capsule, Ribosome
(2) slime layer; capsule
The cell envelope of bacteria have parts
(1) Cell wall and Cell membrane
(2) Plasma membrane only
(3) Outermost glycocalyx followed by cell wall and
mesosome
(4) Outermost glycocalyx followed by cell wall and
Cell membrane
(4) Outermost glycocalyx followed by cell wall and
Cell membrane
Which one of the following does not differ in
Lactobacillus and Amoeba?
(1) Ribosomes type
(2) Mitochondria
(3) Cell wall
(4) Cell membrane
(4) Cell membrane
Find out the odd one with respect to prokaryote
(1) Bacteria
(2) Blue green algae
(3) Mycoplasma
(4) None
(4) None
Inclusion bodies in bacterial cells
(1) Membrane bound
(2) Lie freely in cytoplasm
(3) Contain reserve materials
(4) both 2&3
(4) both 2&3
Nuclear membrane is absent in
(1) Penicillium
(2) Agaricus
(3) Volvox
(4) Nostoc
(4) Nostoc
Go through the following statements and then select
correct option(s) for prokaryotic cells
I. They are generally smaller than eukaryotic cells
II. They multiply more rapidly than the eukaryotic
cells
III. They are presented by bacteria, BGA (Blue
Green Algae), Mycoplasma and PPLO (Pleuro
Pneumonia like organisms)
(1) All
(2) II and III
(3) Only III
(4) I and II
(1) All
Which of the following is genetic material present
in an Unicelluar organism having 70S ribosomes in
Cytoplasm
(1) Single-stranded DNA
(2) Double-stranded Linear naked DNA
(3) Double-stranded DNA enclosed in nuclear
membrane
(4) Double-stranded circular DNA without histone
proteins and naked
(4) Double-stranded circular DNA without histone
proteins and naked
What is not true about mesosomes?
(1) Have role in cell wall formation
(2) Have role in cellular respiration
(3) Help in DNA replication
(4) Have nitrogen fixing enzyme
(4) Have nitrogen fixing enzyme
Bacterial cell wall is made of
(1) Peptidoglycan
(2) Murein
(3) Chitin
(4) Both (1) and (2)
(4) Both (1) and (2)
Which one of the following is not a function of
bacterial cell wall
(1) Prevents the bacteria from collapsing
(2) Provides shape to bacterial cell
(3) Provides sticky character to cell
(4) Both (1) and (2)
(3) Provides sticky character to cell
Which of the following forms the outer delimiting
boundary in animal cells?
(1) Plasma membrane
(2) Cell Wall
(3) Nuclear Membrane
(4) None
(1) Plasma membrane
Which of the following component is similar in
prokaryote and eukaryote?
(1) Ribosome.
(2) Plasma membrane
(3) Nucleus
(4) Lysosome
(2) Plasma membrane
Plant cells differ from animal cells in having
(1) cell wall
(2) plastids
(3) a large central vacuole
(4) all of these
(4) all of these
Which of the following cell lacks cell wall?
(1) Animal cell
(2) Plant cell
(3) Algal cell
(4) Bacterial cell
(1) Animal cell
Fungal cell wall is made of
(1) Chitin
(2) Galactan
(3) Mannan
(4) All of the above
(1) Chitin
Secondary wall is present
(1) Inner to primary wall
(2) Outer to plasma membrane
(3) Mature plant cell
(4) All of the above
(4) All of the above
Plant cell have a rigid cell wall to promote all
functions except
(1) Give protection
(2) Cell to cell interaction
(3) Provides a barrier to undesirable
macromolecules
(4) Exocytosis
(4) Exocytosis
Select the odd one out with respect to the composition
of plant cell wall.
(1) Cellulose
(2) Mannans and Galactans
(3) Hemicellulose
(4) Pectin and proteins
(2) Mannans and Galactans
The Outermost portion of a mature plant cell wall
possesses
(1) Primary cell wall
(2) Plasma membrane
(3) Secondary cell wall
(4) Tertiary cell wall
(1) Primary cell wall
(plasma membrane->tertiary cellwall -> secondary cellwall -> primary cellwall)
| |
innermost outermost
The cell wall and middle lamellae may be traversed
by
(1) Plasmodesmata
(2) Secondary cell wall
(3) Neighbouring cell
(4) Cortex
(1) Plasmodesmata
Statement P: cell wall gives shape to cell but it does
not protect it from infection
Statement Q: cell wall helps in cell to cell interaction
(1) Both statements are correct
(2) Both statements are incorrect
(3) Only statement Q is correct
(4) Only statement P is correct
(3) Only statement Q is correct
Find out the odd one with respect to plant cell wall
function
(1) Provides shape to cell
(2) Provides protection to cell from infection
(3) Doesn’t protect cell from mechanical injury
(4) Help in cell - cell interaction
(3) Doesn’t protect cell from mechanical injury
What is common between a eukaryotic and
prokaryotic flagellum?
(1) Same structure of microtubule
(2) Both are present in motile cell
(3) Composed of same proteins
(4) Both are made up of tubulin protein
(2) Both are present in motile cell
Where does Secondary wall formed in plant cell-
(1) Between two plant cell
(2) Inner to plasma membrane
(3) Inner to primary cell wall and cell membrane
(4) Inner to Primary cell wall and outer to cell
membrane
(4) Inner to Primary cell wall and outer to cell
membrane
From the given cells-Diatom, Amoeba, Mycoplasma, Dinoflagellates, Euglena, Mesophyll cell,
How many have cell wall –
(1) Two
(2) Three
(3) Four
(4) Five
(2) Three (Diatom,Dinoflagellates,Mesophyll cell)
Which is not true for primary cell wall of plant cell
(1) Present outer of secondary cell wall
(2) Present in young cell
(3) Diminished when secondary wall develop
(4) Present inner to secondary wall
(4) Present inner to secondary wall
Presence of ……… is a unique character of plant cells
(1) Nucleus
(2) Centriole
(3) Cell wall
(4) Peroxisom
(3) Cell wall
Which of the following is absent in algal cell wall?
(1) Galactan
(2) Mannan
(3) Cellulose
(4) Peptidoglycan
(4) Peptidoglycan
Which of the following is called cementing layer?
(1) Cell wall
(2) Middle lamella
(3) Plasmodesmata
(4) Plasma membrane
(2) Middle lamella
Desmotubule is made of
(1) Golgi complex
(2) Lysosome
(3) Endoplasmic reticulum
(4) Peroxisome
(3) Endoplasmic reticulum
………. and ……….. are traversed by plasmodesmata
(1) Plasma membrane and cell wall
(2) Plasma membrane and middle lamella
(3) Middle lamella and plasma membrane
(4) Middle lamella and cell wall
(4) Middle lamella and cell wall
Which one is present in a young plant cell?
(1) Primary wall
(2) Secondary wall
(3) Tertiary wall
(4) All of the above
(1) Primary wall
Which cell was used for chemical study of plasma
membrane?
(1) Human WBC
(2) Human cheek cell
(3) Human RBC
(4) None
(3) Human RBC
Which of the following proteins can be extracted
from Plasma membrane easily?
(1) Integral protein
(2) Intrinsic protein
(3) Tunnel proteins
(4) Peripheral proteins
(4) Peripheral proteins
Plasma membrane is
(1) Semi-solid
(2) Quasifluid
(3) Non-living
(4) Both (2) and (3)
(2) Quasifluid
Plasma membrane is
(1) Selectively permeable
(2) Permeable.
(3) Impermeable.
(4) Can be any of the above
(1) Selectively permeable
When was the most accepted model for plasma
membrane organization given?
(1) 1962
(2) 1972
(3) 1984
(4) 1964
(2) 1972
Who proposed fluid mosaic model?
(1) Danielli and Davson
(2) Robertson
(3) Singer and Nicolson
(4) Overton
(3) Singer and Nicolson
Which component of plasma membrane helps in
maintenance of its fluidity?
(1) Cholesterol
(2) Phospholipid
(3) Glycolipid
(4) both 1 & 2
(4) both 1&2
Which part of plasma membrane shows both lateral and flip flop movement?
(1) Lipid
(2) Protein
(3) Carbohydrate
(4) All of the above
(1) Lipid
Which of the following statements is not true for the
plasma membrane?
(1) It is present in both plant and animal cells
(2) Lipids are present in it as bilayer
(3) Proteins may be peripheral or integral in it
(4) Carbohydrates are never found in it
(4) Carbohydrates are never found in it
Lipids are arranged within the membrane with
(1) polar heads toward inner side and the
hydrophobic tails toward outerside
(2) both heads and tails toward outerside
(3) heads toward outerside and tail towards inside
(4) both heads and tails toward innerside
(3) heads toward outerside and tail towards inside
The most abundant lipid in the cell membrane is
(1) cutin
(2) glycolipid
(3) steroid
(4) phosphoglycerides
(4) phosphoglycerides
Integral cell membrane proteins
(1) Are partially embedded in lipid layers
(2) Are completely embedded in lipid layers
(3) Show lateral but not vertical movements within
the lipid bilayer
(4) All of these
(4) All of these
The latest model of cell membrane is the
(1) Unit membrane model
(2) Fluid mosaic model
(3) Danielli and Davson’s model
(4) Robertson’s model
(2) Fluid mosaic model
Choose the incorrect statement regarding cell
membrane.
(1) Generally smaller molecules pass easily and
readily than large molecules
(2) Water soluble substance pass through it less
readily than lipid soluble substances
(3) In addition to phospholipid membrane it also
contains cholesterol
(4) None of these
(4) None of these
Phospholipids are arranged within the membrane
with
(1) Polar heads towards innerside and the
hydrophobic tails towards outerside
(2) Both heads and tails towards innerside
(3) Polar heads towards outerside and hydrophobic
tails towards inside
(4) Both heads and tails towards same side
(3) Polar heads towards outerside and hydrophobic
tails towards inside
Reason why hydrophobic tail is towards inner side?
(1) Hydrophobic tail should not come in contact
with water
(2) Charge hydrocarbon chain is protected from
polar head
(3) Polar tail should be in contact with each other
(4) All of the above
(1) Hydrophobic tail should not come in contact
with water
The fluid mosaic model explains
(1) Membrane functions like cell growth
(2) Membrane function like formation of
intercellular junctions,
(3) Membrane function like secretion,
(4) All of the above
(4) All of the above
As the polar molecules cannot pass through the
nonpolar lipid bilayer, they require a …………. of
the membrane to facilitate their transport across the
membrane
(1) Lipid carrier
(2) Protein carrier
(3) Non polar channel
(4) All of the above
(2) Protein carrier
Which rRNA is absent in 70S ribosome?
(1) 23 S
(2) 28 S
(3) 16 S
(4) 5 S
(2) 28 S
Find out the incorrect statement regarding ribosome-
(1) Ribosome is found in both prokaryote and
eukaryote
(2) Found in some organelles like mitochondria
(3) Is nucleoprotein complex
(4) Single membrane bound organelle
(4) Single membrane bound organelle
Longest portion of bacterial flagellum come out from
bacterial cell surface is
(1) Fimbriae
(2) Basal body
(3) Filament
(4) Hook
(3) Filament
Animal cells contain another non-membrane bound organelle called …………. which helps in cell division–
(1) Centrosome
(2) Mitochondria
(3) Chloroplast
(4) Ribosome
(1) Centrosome
Sugars in plasma membrane are associated with
(1) Lipid
(2) Protein
(3) Nucleic acid
(4) BOTH 1 & 2
(4) BOTH 1 & 2
Continuity of cytoplasm from cell to cell is
maintained through cytoplasmic connections in
plants called
(1) ER
(2) tight junction
(3) gap junction
(4) plasmodesmata
(4) plasmodesmata
Ribosome is found in eukaryotic cells in
(1) Cytoplasm
(2) On the membrane of RER
(3) In Mitochondria
(4) All of these
(4) All of these
The suffix “S” is used with the description of
ribosomal units stand for
(1) Solubility
(2) Surface area
(3) Size
(4) Sedimentation coefficient
(4) Sedimentation coefficient
What is true about ribosomes
(1) The prokaryotic ribosomes are 80S, where “S”
stands for sedimentation coefficient
(2) These are composed of ribonucleic acid and
proteins
(3) These are found only in eukaryotic cells
(4) These are self-splicing introns of some RNAs
(2) These are composed of ribonucleic acid and
proteins
Which organelle remains close to ER?
(1) Glyoxysome
(2) Peroxisome
(3) Centrosome
(4) Golgi body
(4) Golgi body
Endoplasmic reticulum is called RER when it has on
its surface –
(1) Elementary particles
(2) Ribosomes
(3) Oxysome
(4) Quantasomes
(2) Ribosomes
The membrane of vacuole is called
(1) Tonoplast
(2) Amyloplast
(3) Bioplast
(4) Both (2) and (3)
(1) Tonoplast
Tonoplast is
(1) Permeable
(2) Semipermeable
(3) Selectively permeable
(4) Impermeable
(3) Selectively permeable
Which organelle is not a part of the endomembrane system?
(1) ER
(2) Golgi complex
(3) Lysosomes
(4) Mitochondria
(4) Mitochondria
Which organelle helps in the synthesis of lipids,
cholesterol, steroids and visual pigments in epithelial cells of retina?
(1) Golgi bodies
(2) RER
(3) SER
(4) Mitochondri
(3) SER
The concentration of a number of ions and other
materials is higher in vacuoles than those in
cytoplasm – why?
(1) Tonoplast has a number of active transport
system that pumps ions into vacuole from
cytoplasm
(2) Through osmosis, a large amount of ions go
continuously to vacuole from cytoplasm
(3) Cytoplasmic ions enter the vacuole through
osmotic flow of water
(4) Vacuole is always engaged in the hydrolysis of
salts into their ion
(1) Tonoplast has a number of active transport
system that pumps ions into vacuole from
cytoplasm
Synthesis of SER occur from –
(1) RER
(2) Ribosome
(3) Golgi bodies
(4) Mitochondria
(1) RER
The reason, why sap vacuoles have more ions is
(1) Tonoplast has Proton pumps that send ions into
vacuole from the cytoplasm
(2) Through diffusion , a large number of ions goes
continuously to vacuole from cytoplasm
(3) Vacuole have less solute
(4) Vacuole with tonoplast has channels only
(1) Tonoplast has Proton pumps that send ions into
vacuole from the cytoplasm
Which of the following is not a function of RER?
(1) Synthesis of carbohydrates
(2) Cleavage of signal peptide
(3) Glycosylation of protein
(4) Formation of Nissl’s granule
(1) Synthesis of carbohydrates
Both the membranes of a mitochondrion are –
(1) Structurally different but functionally similar
(2) Structurally as well as functionally different
(3) Structurally similar but functionally different
(4) Structurally as well as functionally similar
(2) Structurally as well as functionally different
The DNA is located in the ______ of mitochondria
(1) Cristae
(2) Matrix
(3) Intermembrane space
(4) Grana
(2) Matrix
Which of the following statement is incorrect?
(1) Mitochondria, unless specifically stained are not
easily visible under the microscope
(2) Physiological activity of cells determines the
number of mitochondria per cell
(3) Mitochondrion, a power house of a cell has
DNA, RNA, ribosomes and enzyme. So it can
survive outside the cell
(4) Mitochondria divide by fission
(3) Mitochondrion, a power house of a cell has
DNA, RNA, ribosomes and enzyme. So it can
survive outside the cell
Mitochondria perform all of the following functions
except
(1) Nucleic acid synthesis
(2) Steroid synthesis
(3) ATP synthesis
(4) Polysaccharide degradation
2) Steroid synthesis
Mitochondria and chloroplast are:-
1. Semi-autonomous organelles
2. Formed by division of pre-existing organelles
and they contain DNA but lack protein
synthesizing machinery Which one of the
following options is correct?
(1) Both (1) and (2) are correct
(2) (2) is true but (1) is false
(3) (1) is true but (2) is false
(4) Both (1) and (2) are false
(3) (1) is true but (2) is false
Which of the following cell organelles is semiautonomous?
(1) Mitochondria
(2) Chloroplast
(3) Leucoplast
(4) All of the above
(4) All of the above
The site of photolysis of water in the chloroplast is
(1) Lumen of thylakoid
(2) Stroma
(3) Grana
(4) Thylakoid membrane
(1) Lumen of thylakoid
Which of the following stores food in the form of
proteins?
(1) Elaioplasts
(2) Aleuroplast
(3) Amyloplast
(4) None
(2) Aleuroplast
The largest plastid is
(1) Chloroplast
(2) Chromoplast
(3) Aleuroplast
(4) Amyloplast
(1) Chloroplast
Ribosome found in mitochondria and plastids are
(1) 50S
(2) 80S
(3) 70S
(4) 60S
(3) 70S
Choose the correct statements
I. Mitochondria and Chloroplast transfer energy
II. Mitochondrion is a power-house of the
cell as it produces most of the cellular ATP
III. Mitochondria and chloroplast are found in all
eukaryotic cells
IV. Mitochondria are the sites of anaerobic
respiration.
V. The matrix of mitochondria possesses a single
linear DNA, many RNA molecules, the 80S
ribosomes
(1) IV and V
(2) II only
(3) II, IV and V
(4) III and v
(2) II only
Read the following statements.
I. Sausage-shaped / cylindrical
II. Diameter 0.2 - 1.0 m(average 0.5 r); length 1.0 – 4.1 m
III. Has 2 aqueous compartments.
IV. Outer membrane as continuous limiting
boundary of the organelle
V. Inner membrane forms many cristae which
increase surface area
VI. Both membranes have their own specific
enzymes.
All the above features are attributed to
(1) Chloroplast
(2) Nucleus
(3) ER
(4) Mitochondria
(4) Mitochondria
Read the given statements and select the correct
option.
Statement 1: Chloroplast and mitochondria are
semi-autonomous bodies.
Statement 2: Chloroplast and mitochondria have
their own DNA and protein synthesizing machinery.
(1) Both statement 1 and statement 2 are correct
(2) Statement 1 is correct but statement 2 is
incorrect
(3) Statement 1 is incorrect but statement 2 is
correct
(4) Both statements 1 and 2 are incorrect
(1) Both statement 1 and statement 2 are correct
Match column I with column II and select the correct
option from the codes given below.
Column I Column II
(A) Chloroplasts (i) Colourless plastids
(B) Chromoplasts (ii) Yellow, orange or red
coloured plastids
(C) Leucoplasts (iii)Green plastids
(1) A-(iii), B-(i), C-(ii)
(2) A-(iii), B-(ii), C-(i)
(3) A-(i), B-(iii), C-(ii)
(4) A-(i), B-(ii), C-(iii)
(2) A-(iii), B-(ii), C-(i)
Choose the incorrect pair.
(1) Chloroplast – Double membrane
(2) Chromoplast – Give colour
(3) Leucoplast – Stores nutrients
(4) Protoplast – have rigid cell wall
(4) Protoplast – have rigid cell wall
Which of the following feature is present in
mitochondria-
(1) Linear DNA, 70S ribosome
(2) Circular DNA, glycogen synthesis
(3) Circular DNA, 70S ribosome
(4) Circular DNA, single strand DNA, 70S
ribosome
(3) Circular DNA, 70S ribosome
The colourless plastids are
(1) Amyloplast
(2) Aleuroplast
(3) Elaioplast
(4) all
all
Plastids are found in
(1) All animal cells
(2) Some animal cells
(3) All plant cells
(4) All plants cells and euglenoids
(4) All plants cells and euglenoids
Which of these is wrongly matched?
(1) 70S ribosomes – Prokaryotes
(2) 80S ribosomes – Eukaryotes
(3) Axoneme – Cilia
(4) Centromere – Centrosome
(4) Centromere – Centrosome
Chloroplasts contain
(1) All types of pigments
(2) Chl + Carotene + anthocyanin
(3) Chl + Carotenoids
(4) Only chl
(3) Chl + Carotenoids
Column I Column II
(A) Dictyosomes (i) Storage
(B) Mitochondria (ii) Photosynthesis
(C) Vacuoles (iii) Transport
(D) Grana (iv) Secretion
(v) Respiration
a b c d
(1) (iv) (v) (i) (ii)
(2) (i) (ii) (iv) (iii)
(3) (iv) (i) (ii) (iii)
(4) (i) (ii) (iii) (iv)
A B C D
(1) (iv) (v) (i) (ii)
Which of the following helps in pseudopodia
formation?
(1) Microfilaments
(2) Microtubules
(3) Intermediate filaments
(4) All of the above
(1) Microfilament
Microtubules are made of
(1) Tubulin proteins
(2) Flagellin proteins
(3) Nexin proteins
(4) Actin protein
(1) Tubulin proteins
The central part of the proximal region of the
centriole is
(1) Radial spokes
(2) Glycolipid hub
(3) Centrosome
(4) Proteinaceous hub
(4) Proteinaceous hub
Which cytoskeletons are present in astral rays?
(1) Microtubules
(2) Microfilaments
(3) Intermediate filaments
(4) All of the above
(1) Microtubules
Which of the following statements is not true?
A. Lysosomes are membrane bound structures.
B. Lysosomes are formed by the process of
packaging in the endoplasmic reticulum.
(1) both A and B true
(2) B - true but A - false
(3) A - true but B - false
(4) both A and B are false
(3) A - true but B - false
Site where synthesis of glycoprotein and glycolipid
occur is
(1) Lysosomes
(2) Golgi apparatus
(3) Vacuoles
(4) ER
(2) Golgi apparatus
From the following vacuole, which one is present in
bacteria
(1) Sap vacuole
(2) Gas vacuole
(3) Contractile vacuole
(4) Food vacuole
(2) Gas vacuole
The turgor pressure of a cell kept in water is chiefly
regulated by organelle in plant cells is
(1) Mitochondria
(2) Food vacuoles
(3) Sap vacuole
(4) Ribosomes
(3) Sap vacuole
Which of the following cell organelles is single
membrane bound?
(1) Chloroplasts
(2) ER
(3) Nuclei
(4) Centriole
(2) ER
Column I Column II
A Mitochondria (i) Without membrane
B Lysosomes (ii) Single membrane
C Ribosomes (iii) Double membrane
D Nucleus
A B C D
(1) (i) (ii) (iii) (iii)
(2) (iii) (i) (i) (ii)
(3) (iii) (ii) (i) (iii)
(4) (ii) (iii) (i) (iii)
(3) (iii) (ii) (i) (iii)
What is the total number of microtubules in cilia and
flagella?
(1) 9
(2) 2
(3) 20
(4) 18
(3) 20
Select the mismatch.
(1) Sap vacuoles – Plant cells
(2) Centriole – Animal cells
(3) Diatom – Eukaryotes
(4) Methanogens – Eukaryotes
(4) Methanogens – Eukaryote
Flagella of prokaryotic and eukaryotic cells differ in
(1) Types of movement
(2) Placement of flagella on cell
(3) Protein component
(4) All of the above
(4) All of the above
The nucleus in a eukaryotic cell
(1) Was first described by Robert Brown
(2) Has chromatin given by Porter
(3) Contain no nucleoli in nucleoplasm
(4) RBCs do not have nucleus and have
mitochondria
(1) Was first described by Robert Brown
How many radial spokes and A – B linker are found
in cilia respectively?
(1) 9, 2
(2) 9, 0
(3) 9, 9
(4) 0,9
(3) 9, 9
Which of the following features is common to
prokaryotes and many eukaryotes?
(1) Chromatin material present
(2) Cell wall present
(3) Nuclear membrane present
(4) Membrane-bound subcellular organelles present
(2) Cell wall present ( AS CHROMATIN FORMS WHEN HISTONE IS ADDED AND PROKARYOTES DON’T HAVE HISTONS )
Which of the following structures is not found in a
prokaryotic cell?
(1) Nucleoid
(2) Plasma membrane
(3) Nuclear envelope
(4) Ribosome
(3) Nuclear envelope
A true nucleus is absent in
(1) Blue-green algae
(2) Dinoflagellates
(3) Mature human RBCs
(4) Both (1) and (3)
(4) Both (1) and (3)
Which of the following is true about nucleus?
(1) Found in some advanced prokaryotes
(2) Dense in nature
(3) Contains chromosomes as genetic material
(4) All of the above
(3) Contains chromosomes as genetic material
Nucleolus is
(1) Single membrane bound
(2) Always one in number per nucleus
(3) Not stainable
(4) Ribosome factory
(4) Ribosome factory
Column I Column II
A Nucleolus (i) Lipid storage
B Sphaerosomes (ii) Glycolate metabolism
C Peroxisomes (iii)Transport of
macromolecules
D Plasmodesmata (iv) RNA synthesis
A B C D
(1) (iv) (i) (iii) (ii)
(2) (i) (ii) (iv) (iii)
(3) (iv) (i) (ii) (iii)
(4) (i) (ii) (iii) (iv)
(3) (iv) (i) (ii) (iii)
An organelle with an internal cross-section showing
characteristic “9 + 2” array is the
(1) microtubule
(2) microfilament
(3) cilium or flagellum
(4) cytoskeleton
(3) cilium or flagellum
Histones are rich in
(1) Alanine and glycine
(2) Lysine and arginine
(3) Histidine and serine
(4) Cysteine and tyrosine
(2) Lysine and arginine
S-I-Membrane of ER and Golgi body have lipid bilayer
S-II-Chloroplast and Mitochondria both have double
membrane
Mark the correct.
(1) Only S-I is correct
(2) Only S-II is correct
(3) Both S-I and S-II are correct
(4) Both S-I and S-II are wrong
(3) Both S-I and S-II are correct
Column I Column II
A Protein (i) SER
B Lipid (ii) Golgi body
C Glycoprotein (iii) Lysosome
D Hydrolytic enzyme (iv) RER
(1) A-(i), B-(ii), C-(iii), D-(iv)
(2) A-(iv), B-(ii), C-(i), D-(iii)
(3) A-(iv), B-(i), C-(ii), D-(iii)
(4) A-(i), B-(iii), C-(ii), D-(iv)
(3) A-(iv), B-(i), C-(ii), D-(iii)
Chromatin is stained by
(1) Acidic dye
(2) Basic dye
(3) Chromatin can never be stained
(4) Crystal violet
(2) Basic dye
Chromatin is chemically
(1) Nucleic acid
(2) Protein
(3) Nucleoprotein
(4) Ribonucleoprotein
(3) Nucleoprotein
Microbodies differ from lysosomes in that
(1) Microbodies are surrounded by a single unit
membrane while lysosome membrane is double
(2) Microbodies are surrounded by double
membrane while Iysosomes membrane is single
unit
(3) Microbodies contain lytic enzymes while
lysosomes do not
(4) Lysosome contain lytic enzymes while
microbodies do not
(4) Lysosome contain lytic enzymes while
microbodies do not
Which of the following is incorrect about the
microbodies?
(1) They are present in bacteria
(2) Minute, membranous vesicles
(3) They are present in plants and animals
(4) They have various enzymes
(1) They are present in bacteria
Nuclear DNA exists as a complex of proteins called
____ that condenses into ____ during ____ .
(1) Chromatids, chromosomes, cell division
(2) Chromosomes, chromatin, interphase
(3) Chromatin, Chromosome, Interphase
(4) Chromatin, chromosome, cell division
(4) Chromatin, chromosome, cell division
Read the given statements and select the correct
option.
Statement 1 : Peroxisomes are involved in photorespiration of plant cells and help in the lipid
metabolism of animal cells.
Statement 2 : Peroxisomes are the cells’ garbage
disposal system.
(1) Both statement 1 and statement 2 are correct
(2) Statement 1 is correct but statement 2 is
incorrect
(3) Statement 1 is incorrect but statement 2 is
correct
(4) Both statement 1 and statement 2 are incorrect
(2) Statement 1 is correct but statement 2 is
incorrect
Which of the following holds two chromatids of a
chromosome?
(1) Centromere
(2) Centriole
(3) Kinetochore
(4) Secondary constriction
(1) Centromere
Which of the following functions is carried out by
cytoskeleton in a cell?
(1) Transportation
(2) Nuclear division
(3) Protein synthesis
(4) Motility
(4) Motility
List I List II
(a) Metacentric (i) Centromere situated close to
chromosome end forming one extremely
short and one very long arms
(b) Acrocentric (ii) Centromere at the terminal
chromosome end
(c) Submetacentric (iii) Centromere in the
chromosomes middle forming two
equal arms of
chromosomes
(d) Telocentric (iv) Centromere slightly
chromosome away from the middle
forming one shorter arm
and one longer arm
Choose the correct answer from the options given
below:
(1) (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
(2) (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
(3) (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
(4) (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
(3) (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as:
(1) Metacentric
(2) Telocentric
(3) Sub-metacentric
(4) Acrocentric
(1) Metacentric
List I List II
(a) Cristae (i) Primary constriction in
chromosome
(b) Thylakoids (ii) Disc-shaped sacs in Golgi
apparatus
(c) Centromere (iii) Infoldings in mitochondria
(d) Cisternae (iv) Flattened membranous
sacs in stroma of plastids
Choose the correct answer from the options given
below.
(a) (b) (c) (d)
(1) (iv) (iii) (ii) (i)
(2) (i) (iv) (iii) (ii)
(3) (iii) (iv) (i) (ii)
(4) (ii) (iii) (iv) (i)
(3) (iii) (iv) (i) (ii)
Which of the following statements about inclusion
bodies is incorrect?
(1) These are involved in ingestion of food
particles.
(2) They lie free in the cytoplasm
(3) These represent reserve material in cytoplasm
(4) They are not bound by any membrane
1) These are involved in ingestion of food
particles.
Which is the important site of formation of
glycoproteins and glycolipids in eukaryotic cells?
(1) Peroxisomes
(2) Golgi bodies
(3) Polysomes
(4) Endoplasmic reticulum
(2) Golgi bodies
The biosynthesis of ribosomal RNA occurs in:
(1) Golgi apparatus
(2) Microbodies
(3) Nucleolus
(4) Ribsosomes
(3) Nucleolus
Inclusion bodies of blue-green, purple and green
photosynthetic bacteria are:
(1) Gas vacuoles
(2) Centrioles
(3) Microtubules
(4) Contractile vacuole
(1) Gas vacuoles
Column-I Column- II
a) Smooth Endoplasmic i Protein synthesis
Reticulum
b Rough endoplasmic ii Lipid synthesis
reticulum
c Golgi complex iii Glycosylation
d Centriole iv Spindle formation
(1) a-(iii), b-(i), c-(ii), d-(iv)
(2) a-(iv), b-(ii), c-(i), d-(iii)
(3) a-(i), b-(ii), c-(iii), d-(iv)
(4) a-(ii), b-(i), c-(iii), d-(iv)
(4) a-(ii), b-(i), c-(iii), d-(iv)
The size of Pleuropneumonia - like Organism
(PPLO) is:
(1) 1 - 2 μm
(2) 10 - 20 μm
(3) 0.1 μm
(4) 0.02 μm
(3) 0.1 μm
The shorter and longer arms of a submetacentric
chromosome are referred to as
(1) s-arm and l-arm respectively
(2) p-arm and q-arm respectively
(3) q-arm and p-arm respectively
(4) m-arm and n-arm respectively
(2) p-arm and q-arm respectively
Which of the following pair of organelles does not
contain DNA?
(1) Mitochondria and Lysosomes
(2) Chloroplast and Vacuoles
(3) Lysosomes and Vacuoles
(4) Nuclear envelope and Mitochondria
(3) Lysosomes and Vacuoles
Which of the following statements is not correct?
(1) Lysosomes have numerous hydrolytic enzymes.
(2) The hydrolytic enzymes of lysosomes are
active under acidic pH.
(3) Lysosomes are membrane bound structures.
(4) Lysosomes are formed by the process of
packaging in the endoplasmic reticulum
(4) Lysosomes are formed by the process of
packaging in the endoplasmic reticulum
Which of the following statements regarding
mitochondria is incorrect?
(1) Outer membrane is permeable to monomers of
carbohydrates, fats and proteins.
(2) Enzymes of electron transport are embedded in
outer membrane
(3) Inner membrane is convoluted with infoldings.
(4) Mitochondrial matrix contains single circular
DNA molecule and ribosomes.
(2) Enzymes of electron transport are embedded in
outer membrane
Which among the following is not a prokaryote?
(1) Saccharomyces
(2) Mycobacterium
(3) Nostoc
(4) Oscillatoria
(1) Saccharomyces
Which of the following is true for nucleolus?
(1) Larger nucleoli are present in dividing cells.
(2) It is a membrane-bound structure.
(3) It takes part in spindle formation.
(4) It is a site for active ribosomal RNA synthesis
(4) It is a site for active ribosomal RNA synthesis
The Golgi complex participates in
(1) Fatty acid breakdown
(2) Formation of secretory vesicles
(3) Respiration in bacteria
(4) Activation of amino acid
(2) Formation of secretory vesicles
Which of the following events does not occur in
rough endoplasmic reticulum?
(1) Protein folding
(2) Protein glycosylation
(3) Cleavage of signal peptide
(4) Phospholipid synthesis
(4) Phospholipid synthesis
Many ribosomes may associate with a single mRNA
to form multiple copies of a polypeptide
simultaneously. Such strings of ribosomes are
termed as
(1) Polysome
(2) Polyhedral bodies
(3) Plastidome
(4) Nucleosome
(1) Polysome
Select the incorrect match:
(1) Lampbrush chromosomes – Diplotene bivalents
(2) Allosomes – Sex chromosomes
(3) Submetacentric chromosomes – L-shaped
chromosomes
(4) Polytene chromosomes – Oocytes of
amphibians
(4) Polytene chromosomes – Oocytes of
amphibian
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form
ATP?
(1) Lysosome
(2) Ribosome
(3) Chloroplast
(4) Mitochondrion
(4) Mitochondrion
Which of the following components provides sticky
character to the bacterial cell?
(1) Cell wall
(2) Nuclear membrane
(3) Plasma membrane
(4) Glycocalyx
(4) Glycocalyx
Which of the following pathways is involved for
packaging of secretory proteins?
(1) RER → Trans face of Golgi body → Cis face
of Golgi body → Secretory vesicles
(2) Trans face of Golgi body → Cis face of Golgi
body → RER → SER → Secretory vesicles
(3) RER → Cis face of Golgi body → Trans face
of Golgi body → Secretory vesicles
(4) Cis face of Golgi body → Trans face of Golgi
body → RER → Secretory vesicles
(3) RER → Cis face of Golgi body → Trans face
of Golgi body → Secretory vesicles
The type of ribosomes is same in
(1) Eukaryotic cytoplasm, mitochondria and
endoplasmic reticulum
(2) Cytoplasm of eukaryotic cells, their
mitochondria and chloroplasts
(3) Cytoplasm of eukaryotic cells, their
chloroplasts and microbodies
(4) Prokaryotes, mitochondria and chloroplasts
(4) Prokaryotes, mitochondria and chloroplasts
Reserved material in prokaryotic cells is stored as:
(1) Basal body
(2) Inclusion bodies
(3) Mesosome
(4) Polysome
(2) Inclusion bodies
A complex of ribosomes attached to a single strand
of mRNA is known as:
(1) Okazaki fragment
(2) Polymer
(3) Polyribosome
(4) Polypeptide
(3) Polyribosome
A cell organelle containing hydrolytic enzymes is:
(1) Ribosome
(2) Mesosome
(3) Lysosome
(4) Microsome
(3) Lysosome
Select the mismatch:
(1) Protists - Eukaryotes
(2) Methanogens - Prokaryotes
(3) Gas vacuoles - Green bacteria
(4) Large central vacuoles - Animal cells
(4) Large central vacuoles - Animal cells
Select the wrong statement:
(1) Cyanobacteria lack flagellated cells.
(2) Mycoplasma is a wall-less microorganism
(3) Bacterial cell wall is made up of peptidoglycan.
(4) Pilli and fimbriae are mainly involved in
motility of bacterial cells
(4) Pilli and fimbriae are mainly involved in
motility of bacterial cells
A complex of ribosomes attached to a single strand
of RNA is known:
(1) Polysome
(2) Polymer
(3) Polypeptide
(4) Okazaki fragment
(1) Polysome
Microtubules are the constituents of:
(1) Cilia, Flagella and Peroxisomes
(2) Spindle fibres, Centrioles and Cilia
(3) Centrioles, Spindle fibres and Chromatin
(4) Centrosome, Nucleosome and Centrioles
(2) Spindle fibres, Centrioles and Cilia
Spindle fibres attach on to:
(1) Telomere of the chromosome
(2) Kinetochore of the chromosome
(3) Centromere of the chromosome
(4) Kinetosome of the chromosome
(2) Kinetochore of the chromosome
Which one of the following is not an inclusion body
found in prokaryotes?
(1) Glycogen granule
(2) Polysome
(3) Phosphate granule
(4) Cyanophycean granule
(2) Polysome
Select the correct matching in the following pairs:
(1) Rough ER – Synthesis of glycogen
(2) Rough ER – Oxidation of fatty acids
(3) Smooth ER – Oxidation of phospholipids
(4) Smooth ER – Synthesis of lipids
(4) Smooth ER – Synthesis of lipids
The structures that are formed by stacking of
organized flattened membranous sacs in the
chloroplasts are:
(1) Stroma lamellae
(2) Stroma
(3) Cristae
(4) Grana
(4) Grana
The chromosomes in which centromere are situated close to one end are:
(1) Telocentric
(2) Sub-metacentric
(3) Metacentric
(4) Acrocentric
(4) Acrocentric
Nuclear envelope is a derivative of:
(1) Microtubules
(2) Rough endoplasmic reticulum
(3) Smooth endoplasmic reticulum
(4) Membrane of Golgi complex
(2) Rough endoplasmic reticulum
DNA is not present in:
(1) Nucleus
(2) Mitochondria
(3) Chloroplast
(4) Ribosomes
(4) Ribosomes
Column -I Column -II
a Thylakoids i Disc-shaped sacs in Golgi
apparatus
b Cristae ii Condensed structure of
DNA
c Cisternae iii Flat membranous sacs in
stroma
d Chromatin iv Infoldings in mitochondria
(1) a-(iii), b-(iv), c-(i), d-(ii)
(2) a-(iii), b-(i), c-(iv), d-(ii)
(3) a-(iii), b-(iv), c-(ii), d-(i)
(4) a-(iv), b-(iii), c-(i), d-(ii)
(1) a-(iii), b-(iv), c-(i), d-(ii)
Cellular organelles with membranes are:
(1) Chromosomes, ribosomes and endoplasmic
reticulum
(2) Endoplasmic reticulum, ribosomes and nuclei
(3) Lysosomes, Golgi apparatus and mitochondria
(4) Nuclei, ribosome and mitochondria
(3) Lysosomes, Golgi apparatus and mitochondria
Balbiani rings are sites of:
(1) Nucleotide synthesis
(2) Polysaccharide synthesis
(3) RNA and protein synthesis
(4) Lipid synthesis
(3) RNA and protein synthesis
Chromatophores take part in:
(1) Growth
(2) Movement
(3) Respiration
(4) Photosynthesis
(4) Photosynthesis
The structures that help some bacteria to attach to
rocks and / or host tissues are:
(1) Fimbriae
(2) Mesosomes
(3) Holdfast
(4) Rhizoids
(1) Fimbriae
Which of the following structures is not found in a
prokaryotic cell?
(1) Ribosome
(2) Mesosome
(3) Plasma membrane
(4) Nuclear envelope
(4) Nuclear envelope
Which of the following is not membrane-bound?
(1) Ribosomes
(2) Lysosomes
(3) Mesosomes
(4) Vacuole
(1) Ribosomes
The motile bacteria are able to move by:
(1) Pili
(2) Fimbriae
(3) Flagella
(4) Cilia
(3) Flagella
The solid linear cytoskeleton elements having a
diameter of 6 nm and made up of a single type of
monomer are known as:
(1) Lamins
(2) Microtubules
(3) Microfilaments
(4) Intermediate filaments
(3) Microfilaments
The osmotic expansion of a cell kept in water is
chiefly regulated by:
(1) Ribosomes
(2) Mitochondria
(3) Vacuoles
(4) Plastids
(3) Vacuoles
Which structures perform the function of
mitochondria in bacteria?
(1) Mesosomes
(2) Nucleoid
(3) Ribosomes
(4) Cell wall
(1) Mesosomes
Column- I Column-II
a Centriole i Infoldings in mitochondria
b Chlorophyll ii Thylakoids
c Cristae iii Nucleic acids
d Ribozymes iv Basal body cilia or flagella
(1) a-iv, b-iii, c-i, d-ii
(2) a-iv, b-ii, c-i, d-iii
(3) a-i, b-ii, c-iv, d-iii
(4) a-i, b-iii, c-ii, d-iv
(2) a-iv, b-ii, c-i, d-iii
A major site for synthesis of lipids is:
(1) Nucleoplasm
(2) RER
(3) SER
(4) Symplast
(3) SER
The Golgi complex plays a major role:
(1) In post translational modification of proteins
and glycosidation of lipids
(2) In trapping the light and transforming it into
chemical energy
(3) In digesting proteins and carbohydrates
(4) As energy transferring organelles
(1) In post translational modification of proteins
and glycosidation of lipids
Which one of the following cellular parts is
correctly described?
(1) Thylakoids - flattened membranous sacs
forming the grana of chloroplasts
(2) Centrioles - sites for active RNA synthesis
(3) Ribosomes - those on chloroplasts are larger
(80S) while those in the cytoplasm are smaller
(70S)
(4) Lysosomes - optimally active at a pH of about
8.5
(1) Thylakoids - flattened membranous sacs
forming the grana of chloroplasts
Which one of the following structures is an
organelle within an organelle?
(1) Ribosome
(2) Peroxisome
(3) ER
(4) Mesosome
(1) Ribosome (In eukaryotic cells, 80 S ribosomes [organelles] are attached to the rough endoplasmic reticulum which is an organelle. It is also present in the organelles: chloroplast and mitochondria. Thus ribosomes are called organelles within the organelle)
Select the correct statement from the following
regarding cell membrane:
(1) Fluid mosaic model of cell membrane was
proposed by Singer and Nicolson
(2) Na+ and K+ ions move across cell membrane by
passive transport
(3) Proteins make up 60 to 70% of the cell
membrane
(4) Lipids are arranged in a bilayer with polar
heads towards the inner part
(1) Fluid mosaic model of cell membrane was
proposed by Singer and Nicolson
Which one of the following does not differ in E.coli
and Chlamydomonas?
(1) Cell membrane
(2) Ribosomes
(3) Chromosomal Organisation
(4) Cell wall
(1) Cell membrane
Which one of the following is not considered as a
part of the endomembrane system?
(1) Vacuole
(2) Lysosome
(3) Golgi complex
(4) Peroxisome
(4) Peroxisome
What is the network of tiny tubular structure scattered in cytoplasm as seen from electron
microscope?
(1) Golgi complex
(2) Microtubules
(3) Endoplasmic reticulum
(4) Mitochondria
(3) Endoplasmic reticulum
In Amoeba & Euglena, which of the following vacuole is present–
(1) Sap vacuole
(2) Gas vacuole
(3) Contractile vacuole
(4) Food vacuole
(3) Contractile vacuole
From following vacuole, which one present in Plant
cell
(1) Sap vacuole
(2) Gas vacuole
(3) Contractile vacuole
(4) Food vacuole
(1) Sap vacuole
In a plant cell, vacuoles
(1) Contains water, sap and excretory product
(2) Is bound by a single membrane called tonoplast
(3) Maintains turgor pressure
(4) All of these
(4) All of these
Membrane of Vacuole of plant cell not have feature–
(1) Protein layer
(2) Known as Tonoplast
(3) Lipid bilayer
(4) Have channels and pump
(1) Protein layer
Site where synthesis of glycoprotein and glycolipid
occur is
(1) Lysosomes
(2) Golgi apparatus
(3) Vacuoles
(4) ER
(2) Golgi apparatus
S-I- ER and Golgi body present in E. coli
S-II- fixed number of cisternae is present in golgi
bodies
(1) S-I is correct
(2) S-II is correct
(3) Both S-I and S-II correct
(4) Both wrong
(4) Both wrong
Tonoplast membrane is important for
(1) Transporting ions along concentration gradient.
(2) Transporting ions against concentration
gradient.
(3) Providing rigidity to structure
(4) All of these
(2) Transporting ions against concentration
gradient.
Spherical structures present in nucleoplasm and are
site of active r-RNA synthesis are absent in
(1) Chlamydomonas
(2) Amoeba
(3) Purple and green photosynthetic bacteria
(4) A plant cell
(3) Purple and green photosynthetic bacteria
Assertion: Golgi apparatus remain in close
association with the endoplasmic reticulum.
Reason: Material to be packaged in form of vesicle
from the ER fuse with the cis face of the Golgi
apparatus and move towards maturing face.
(1) Both Assertion & Reason are true and the reason is the correct explanation of the assertion.
(2) Both Assertion & Reason are true but the reason
is not the correct explanation of the assertion.
(3) Assertion is true statement but Reason is false.
(4) Both Assertion and Reason are false statements
(1) Both Assertion & Reason are true and the reason is the correct explanation of the assertion
The matrix of which cell organelle has single circular DNA molecule, a few 70S ribosomes and components required for protein synthesis and aerobic respiration
(1) Chloroplast
(2) Golgi Body
(3) Mitochondrion
(4) ER
(3) Mitochondrion
I. Sausage shaped / cylindrical
II. Diameter 0.2 - 1.0 μm (average 0.5 μm) length 1.0 – 4.1 μm
III. Has 2 aqueous compartments.
IV. Outer membrane forms continuous limiting boundary of the organelle
V. Inner membrane forms many cristae which
increase surface area.
VI. Both membranes have their own specific
enzymes.
All the above features are attributed to
(1) Chloroplast
(2) Nucleus
(3) ER
(4) Mitochondrion
(4) Mitochondrion
The amount or number of mitochondria in a cell
depends on
(1) Anatomical structure of cell
(2) Size of the cell
(3) Physiological activity of cell
(4) None of these
(3) Physiological activity of cell
Protein synthesis in mitochondria occur in
(1) Matrix
(2) outer membrane
(3) Inner membrane
(4) None of these
(1) Matrix
Which of the following cell organelle (s) is/are
double membrane bound?
(1) Nucleus
(2) Chloroplast
(3) Mitochondria
(4) All
(4) All
Choose the incorrect pair.
(1) Stromal lamellae — Interconnects the grana
(2) Thylakoid –Chlorophyll pigment present
(3) Stroma of chloroplast– ds DNA which is linear
(4) Ribosomes of chloroplast - 70s
(3) Stroma of chloroplast– ds DNA which is linear
The stroma of chloroplast contains enzymes required for synthesis of
(1) Sugars only
(2) Proteins only
(3) Fats
(4) Both carbohydrate and proteins
(4) Both carbohydrate and proteins
Flat membrane sacs present in the stroma of
chloroplast are
(1) thylakoids
(2) grana
(3) mesophyll
(4) stroma lamella
(1) thylakoids
The number of chloroplast varies from 1 per cell in __A__ to __B__ per cell in the mesophyll.
(1) A-Chlorella, B-15 to 20
(2) A-Chlamydomonas, B-20 to 40
(3) A-Chlamydomonas, B-15 to 20
(4) A-Chlamydomonas, B-10 to 40
(2) A-Chlamydomonas, B-20 to 40
Assertion: Carbohydrate synthesis occurs in stroma of chloroplast.
Reason: Enzyme required for carbohydrate synthesis present in stroma of chloroplast
(1) Both Assertion & Reason are true and the reason is the correct explanation of the assertion.
(2) Both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
(3) Assertion is true statement but Reason is false.
(4) Both Assertion and Reason are false statement
(1) Both Assertion & Reason are true and the reason is the correct explanation of the assertion
Column I Column II
A. Chloroplasts i. Colourless plastids
B. Chromoplast ii. Yellow, orange or red
coloured plastids
C. Leucoplasts iii. Green plastids
(1) A-(iii), B-(i), C-(ii)
(2) A-(iii), B-(ii), C-(i)
(3) A-(i), B-(iii), C-(ii)
(4) A-(i), B-(ii), C-(iii)
(2) A-(iii), B-(ii), C-(i)
Carotenoids are
(1) Fat soluble
(2) Water soluble
(3) Present in chromoplast only
(4) Absent in chloroplast
(1) Fat soluble
Amyloplasts, elaioplasts and aleuroplasts belong to
______ category of plastids.
(1) Chloroplasts
(2) Chromoplasts
(3) Leucoplasts
(4) All of these
(3) Leucoplast
The colourless plastids are
(1) Amyloplast
(2) Aleuroplast
(3) Elaioplast
(4) All
(4) All
Which of the following is the correct match?
(1) Amyloplasts-store carbohydrates
(2) Elaioplasts-stored fats and oils
(3) Aleuroplasts-store proteins
(4) All of these
(4) All of these
Which of the following is not true with reference to
microbodies?
(1) Present in both plant and animal cells
(2) Non membranous structure
(3) Membrane bounded minute vesicles
(4) Contain various enzymes
(2) Non membranous structure
Golgi body, lysosome, vacuoles and ER are
components of endomembranous system because
(1) Structure related
(2) Their functions are coordinated
(3) All are present in cell
(4) All are membrane bound
(2) Their functions are coordinated
Which organelle is not a part of the endomembrane
system?
(1) ER
(2) Golgi complex
(3) Lysosomes
(4) Mitochondria
(4) Mitochondria
An elaborate network of filamentous proteinaceous
structures present in the cytoplasm is collectively
known as
(1) Cilia
(2) Flagella
(3) Cytoskeleton
(4) ER
(3) Cytoskeleton
Which of the following is/are a function of
cytoskeleton?
(1) Mechanical support to cell
(2) Providing motility to cell
(3) Maintenance of the shape of the cell
(4) All of these
(4) All of these
Select the incorrect statement:
(1) The chloroplast contains chlorophyll and
carotenoid pigments.
(2) Chromoplast contains water soluble carotenoid
pigments like carotene, xanthophylls.
(3) Plastid is easily observed under microscope.
(4) Leucoplast are of varied shapes and sizes with
stored nutrients
(2) Chromoplast contains water soluble carotenoid
pigments like carotene, xanthophylls
Plastids differ from mitochondria on the basis of
which of the following features?
(1) Presence of two layers of membrane
(2) Presence of ribosome
(3) Presence of thylakoids
(4) Presence of DNA
(3) Presence of thylakoids
Cilia and flagella are covered by
(1) Cell wall
(2) Basal body
(3) Axoneme
(4)Plasma membrane
(4)Plasma membrane
Central microtubules in cilia and flagella are
(1) Singlet
(2) Doublet
(3) Triplet
(4) Can be any of the above
(1) Singlet
Mark the correct statement.
S-I: The core of cilium or flagellum is called
axoneme
S-II: Central tubules are connected by bridges and is
enclosed by central sheath
(1) S-I correct and S-II incorrect
(2) S-I and S-II both correct
(3) S-I and S-II both incorrect
(4) S-I incorrect and S-II correct
(2) S-I and S-II both correct
Arrangement of microtubules in a flagellum and a
centriole is respectively
(1) 9 + 2 and 9 + 1
(2) 9 + 1 and 9 + 0
(3) 9 + 0 and 9 + 2
(4) 9 + 2 and 9 + 0
(4) 9 + 2 and 9 + 0
Which of the following acts as oars?
(1) cilia
(2) Eukaryotic Flagella
(3) Prokaryotic flagella
(4) All of the above
(1) cilia
Choose the incorrect pair.
(1) Cilium or Flagellum – 9 + 2 arrangement
(2) Axoneme – Core of cilium or flagellum both
(3) Basal body – 9 + 0 arrangement
(4) Centriole – 9 + 2 arrangement
(4) Centriole – 9 + 2 arrangement
Which of the following statements is incorrect for
centrioles?
(1) Both the centrioles in a centrosome lie
perpendicular to each other
(2) Central proteinaceous hub is missing in a
centriole.
(3) Each centriole has an organisation like that of a
cartwheel.
(4) Centrosome usually contains 2 cylindrical
centrioles
(2) Central proteinaceous hub is missing in a
centriole
Consider the statements and select the correct option
A. Centrioles are made up of nine evenly spaced
peripheral fibrils of tubulin protein
B. Each peripheral fibril of centriole is triplet
(1) Both A and B correct
(2) Only A correct
(3) Only B correct
(4) Both incorrect
(1) Both A and B correct
The ability of protein to move within the membrane
is measured as its …….
(1) Semisolid nature
(2) Fluidity
(3) Polarity
(4) Solidity
(2) Fluidity
Mark the correct about plasma membrane.
S-I: Mainly composed of lipid and protein
S-II: The major lipids are phospholipids that are
arranged in a monolayer
(1) S-I is correct
(2) S-II is correct
(3) Both S-I and S-II correct
(4) Both wrong
(1) S-I is correct
Which of the following membrane proteins are
partially or totally buried in cell membrane?
(1) Integral proteins
(2) Peripheral proteins
(3) Both (1) and (2)
(4) Glycoproteins
(1) Integral proteins
The quasifluid nature of lipid enable lateral
movement of ……… within overall bilayer
(1) Protein
(2) Cholesterol
(3) Carbohydrate
(4) All of the above
(1) Protein
The most important function of plasma membrane is
that it
(1) Transports the molecules across
(2) Gives shape to the cell
(3) Divides the cell
(4) Both (1) and (2)
(1) Transports the molecules across
The fluid nature of the membrane is important from
the point of view of functions like
(1) Cell division
(2) Cell growth
(3) Endocytosis
(4) All of these
(4) All of these
Cell wall in plants is made up of –
(1) Cellulose
(2) Hemicellulose
(3) Pectin
(4) All of these
(4) All of these
Which of the following is absent in algal cell wall?
(1) Galactans
(2) Mannans
(3) Cellulose
(4) Chitin
(4) Chitin
Middle lamella is made up of-
(1) Calcium pectate
(2) Lignin
(3) Pectin
(4) Chitin
(1) Calcium pectate
Which of the following is not role of cell wall?
(1) Provide shape to cell
(2) Cell to cell interaction
(3) Have channels
(4) Both (1) and (2)
(3) Have channels
The bacterial cell envelope consisting of a tightly
bound three layered structure from outside to inside is:
(1) Cell wall -> Glycocalyx -> Plasma membrane
(2) Plasma membrane ->Glycocalyx ->Cell wall
(3) Glycocalyx -> Cell wall ->Plasma membrane
(4) Glycocalyx ->Plasma membrane ->Cell wal
(3) Glycocalyx -> Cell wall -> Plasma membrane
In cell membrane, non-polar tail of phospholipid is made up of
(1) Cholesterol
(2) Hydrocarbon
(3) Protein
(4) Sugar
(2) Hydrocarbon
Cell wall present in
(1) Plant cell
(2) Fungi cell
(3) Bacteria cell
(4) All of these
(4) All of these
Who proposed a modification in the cell theory?
(1) Schleiden and Schwann
(2) Rudolf Virchow
(3) Robert Hooke
(4) Robert Brown
(2) Rudolf Virchow
Who was the German botanist to study the different
cells forming plant tissues?
(1) Schleiden
(2) Schwann
(3) Rudolf Virchow
(4) None of these
(1) Schleiden
Cell wall is a unique structure of plant cells’. Who concluded this?
(1) Schleiden
(2) Schwann
(3) Both (1) and (2)
(4) None of thes
(2) Schwann
Gas vacuoles are present in
(1) All bacteria
(2) Plant cell
(3) Photosynthetic bacteria
(4) Animal cell
(3) Photosynthetic bacteria
Which of the following is not a role of plasma membrane?
(1) Secretion
(2) Active transport
(3) Growth
(4) Rigidity
(4) Rigidity
Polyribosomes are __________
(1) Single ribosome
(2) Many ribosomes on mRNA
(3) Many ribosomes on ER
(4) None of these
(2) Many ribosomes on mRNA
Perinuclear Space is part of
(1) Protoplasm
(2) Nucleus
(3) Cytoplasm
(4) Endomembrane system
(2) Nucleus
9+0 arrangement is also known as –
(1) Axoneme
(2) 9+2 arrangement
(3) Cartwheel structure
(4) Microfilament
(3) Cartwheel structure
Microbodies are present in –
(1) Bacterial cell
(2) Plant cell
(3) Animal cell
(4) Both (2) and (3)
(4) Both (2) and (3)
Synthesis of Steroid hormone is performed by –
(1) RER
(2) SER
(3) Golgi bodies
(4) Mitochondria
(2) SER
Location of synthesis of rRNA inside cell is –
(1) Nucleolus
(2) Nucleoplasm
(3) Cytoplasm
(4) ER
(1) Nucleolus
Which is common is both eukaryotic and prokaryotic cells?
(1) Plastid
(2) Plasma membrane
(3) Mitochondria
(4) Endoplasmic Reticulum (ER)
(2) Plasma membrane
Centriole is present in
(1) Plant cell
(2) Animal cell
(3) Bacteria
(4) All of these
(2) Animal cell
Depending on the ………. membrane proteins can
be classified as integral and peripheral.
(1) Ease of extraction
(2) Location
(3) Bond with lipid bilayer
(4) Position with polar part of membrane
(1) Ease of extraction
Which is mismatched pair?
(1) Capsule - Thick and tough glycocalyx
(2) Slime layer - Loose glycocalyx
(3) Pili - Motility organ
(4) Bacterial cells - Motile or nonmotile
(3) Pili - Motility organ
The Endoplasmic reticulum bearing …………….. on their surface is called rough endoplasmic reticulum
(1) Lysosome
(2) Golgi granules
(3) Ribosomes
(4) Protein granules
(3) Ribosomes
Endomembrane system
(1) Is membrane bound.
(2) Work in coordination.
(3) Does not work in coordination.
(4) Both (1) and (2)
(4) Both (1) and (2)
_______ first observed densely stained reticular structures near the nucleus. These were later named Golgi bodies after him.
(1) George Palade
(2) Camillo
(3) Robert Brown
(4) Schwann
(2) Camillo
S-I- Cell membrane is selective permeable
S-II- Inclusion bodies are reserved material in
prokaryotes
(1) S-I is correct
(2) S-II is correct
(3) Both S-I and S-II are correct
(4) Both I and S-II are wron
(3) Both S-I and S-II are correct
The sedimentation coefficient of ribosome is a
indirectly measure of
(1) Density
(2) Number
(3) Size
(4) Both (1) and (3)
(4) Both (1) and (3)
Select the correct statement regarding the plasma
membrane.
1. Ratio of proteins and lipids varies considerably
in different cell types
2. 52% proteins and 40% lipids constitute the
membrane of human RBC.
(1) Both 1 and 2 correct
(2) Only 1 correct
(3) Only 2 correct
(4) Both incorrect
(1) Both 1 and 2 correct
Chloroplasts founds in plant cell
(1) Are single membranous structure
(2) Contain ds circular DNA
(3) Contain 80S ribosomes
(4) Are colorless plastids
(2) Contain ds circular DNA
Which of these is mis-matched?
(1) Amyloplasts – Store protein granules
(2) Elaioplasts – Store oils or fats
(3) Chloroplast – Contain chlorophyll pigments
(4) Chromoplasts – Contain coloured pigments
other than chlorophyll
(1) Amyloplasts – Store protein granules
In centrioles
(1) 9 + 0 arrangement is found
(2) All nine tubules are triplet
(3) Both (1) and (2) are correct
(4) Neither (1) nor (2) is correct
(3) Both (1) and (2) are correct
Mark the correct option.
A. Centrioles are spherical structures that lie
Perpendicular to each other
B. Centrioles have an organization like cartwheel
C. Centrioles are made up of nine evenly spaced
peripheral fibrils of tubulin protein
D. Each peripheral fibril of centriole is doublet
(1) A and B only (2) A and C only
(3) B and C only (4) All of these
(3) B and C only (as Centrioles are CYLINDRICAL
structures that lie Perpendicular to each other so option A is INCORRECT and Each peripheral fibril of centriole is TRIPLET so option D is INCORRECT)
Nuclear matrix is known as ___A___ and contains
___B____ & ____C___.
(1) A-Perinuclear space, B-Chromatin,
C-Nucleolus.
(2) A-Nucleolus, B-Chromatin, C-Nucleoplasm.
(3) A-Chromatin, B-Nucleolus, C-Perinuclear
space.
(4) A-Nucleoplasm, B-Nucleolus, C-Chromatin
(4) A-Nucleoplasm, B-Nucleolus, C-Chromatin
Non-membrane bound organelles present in animal
cell that helps in cell division
(1) Nucleus
(2) Centriole
(3) Mitochondria
(4) Golgi apparatus
(2) Centriole
Mark the correct option w.r.t cytoskeleton.
A. These are made up of filamentous and tubular
proteinaceous structures.
B. Involved in many functions such as mechanical
support and motility.
(1) Both A and B correct
(2) Only A correct
(3) Only B correct
(4) Both incorrect
(1) Both A and B correct
Microbodies are–
(1) Double membrane
(2) Single membrane
(3) Membrane less
(4) Cannot be determine
(2) Single membrane
Single membrane bound organelle
(1) Lysosome
(2) Mitochondria
(3) Ribosome
(4) Nucleus
(1) Lysosome
Which of the following can be digested by hydrolytic enzymes?
(1) Protein
(2) Lipid
(3) Carbohydrates
(4) All of these
(4) All of these
Hydrolytic enzymes are activated at _______ pH
(1) Acidic
(2) Neutral
(3) Basic
(4) All of these
(1) Acidic
Find out the odd one with respect to lysosomal enzyme
(1) Lipase
(2) Protease
(3) Carbohydrates
(4) None of these
(4) None of these
Contractile Vacuole is found in
(1) Amoeba
(2) Bacterial Cell
(3) Plant Cell
(4) Both (1) and (3)
(1) Amoeba
Match the following
(i) George Palade (a) Chromatin
(ii) Flemming (b) Nucleus
(iii) Leeuwenhoek (c) Ribosome
(iv) Robert brown (d) Living cell
(1) i-c, ii-a, iii-d, iv-b
(2) i-a, ii-b, iii-c, iv-d
(3) i-b, ii-c, iii-a, iv-d
(4) i-c, ii-a, iii-b, iv-d
(1) i-c, ii-a, iii-d, iv-b
Assertion: The content of nucleolus is continuous
with the rest of the nucleoplasm
Reason: Nucleolus is not a membrane bound
structure
(1) Both Assertion & Reason are true and the
reason is the correct explanation of the
assertion.
(2) Both Assertion & Reason are true but the
reason is not the correct explanation of the
assertion.
(3) Assertion is true statement but Reason is false.
(4) Both Assertion and Reason are false
statements
(1) Both Assertion & Reason are true and the
reason is the correct explanation of the
assertion.
Which of the following organelle is not membraneless?
(1) Nucleolus
(2) Lysosomes
(3) Ribosome
(4) Centrosom
(2) Lysosomes
Which of the following is/are not present in prokaryotes?
A. Enveloped genetic material
B. Circular double strand DNA
C. 70 s ribosome
D. Membrane bound organelle
(1) Both A and B
(2) Both A and D
(3) Both C and D
(4) A, B and c
(2) Both A and D
The fluid nature of the membrane is important from
the point of view of functions like
(1) Cell growth and cell division
(2) Formation of intercellular junctions
(3) Secretion and Endocytosis
(4) All of these
(4) All of these
Hydrolytic enzymes are abundantly found in which
cell organelles?
(1) Endoplasmic reticulum
(2) Lysosome
(3) Peroxisomes
(4) None of these
(2) Lysosome
Due to_________ nature of lipid the protein show
_______movement
(1) Quasifluid, Lateral
(2) Semisolid, Lateral
(3) Quasifluid, Anterior
(4) Both (1) and (3)
(1) Quasifluid, Lateral
According to fluid mosaic model, plasma membrane
is composed of:
(1) Phospholipids and oligosaccharides
(2) Phospholipids and sterols
(3) Phospholipids, extrinsic and intrinsic proteins
(4) Phospholipids and integral proteins
(3) Phospholipids, extrinsic and intrinsic proteins
Mark the correct option for Golgi body
(1) Densely stained reticular structure
(2) Varied number of cisternae
(3) Cristernae are concentrically arranged near
nucleus
(4) All of these
(4) All of these
Lysosomes synthesised in
(1) ER
(2) Golgi bodies
(3) Peroxisomes
(4) None of these
(2) Golgi bodies
Which of the following cytoskeleton is a structural
component of centrioles?
(1) Microtubule
(2) Microfilaments
(3) Intermediate filaments
(4) All of the above
(1) Microtubule
The structure which confers certain unique
phenotypic characters to bacteria but is not vital
for survival, is;
(1) genomic DNA.
(2) plasmids.
(3) nucleoid.
(4) cell membrane
(2) plasmids.
How many of the features given in the box are associated with mitochondria?
[[[[single circular DNA molecule, RNA, 70S ribosomes, aerobic respiration, carbon assimilation, detoxification of drugs]]]]]
(1) Six (2) Four
(3) Five (4) Three
(2) Four [ single circular DNA molecule, RNA, 70S ribosomes, aerobic respiration]
Read the statements carefully and choose the
correct option.
A. Primary cell wall of plant cells is incapable
of growth and diminishes gradually as the
cell matures.
B. RER is abundantly found in the cells which
are actively involved in proteins synthesis
and secretion.
C. SER is a major site for lipid synthesis.
D. A number of proteins synthesized by RER
are modified inside the Golgi apparatus.
(1) A, B & C (2) A, C & D
(3) B, C & D (4) A, B & D
(3) B, C & D (Primary cell wall of plant cells is CAPABLE
of growth and diminishes gradually as the cell
matures.)
Aleuroplasts, amyloplasts and elaioplasts;
(1) divide by multiple fission.
(2) store starch, fat and protein respectively.
(3) store nutrients and pigments.
(4) are double membraned structure.
(4) are double membraned structure
