Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology Flashcards > Cell: The Unit of Life (last 10 years) > Flashcards

Cell: The Unit of Life (last 10 years) Flashcards

1
Q
  1. The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by (2019)

a. Rudolf Virchow
b. Theodor Schwann
c. Schleiden
d. Aristotle

A

a. Rudolf Virchow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. Cellular organelles with membranes are: (2015 Re)

a. Chromosomes, ribosomes and endoplasmic reticulum
b. Endoplasmic reticulum, ribosomes and nuclei
c. Lysosomes, Golgi apparatus and mitochondria
d. Nuclei, ribosome and mitochondria

A

c. Lysosomes, Golgi apparatus and mitochondria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. Which of the following structures is not found in a prokaryotic cell? (2015 Re)

a. Ribosome
b. Mesosome
c. Plasma membrane
d. Nuclear envelope

A

d. Nuclear envelope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. Which of the following is not membrane-bound? (2015 Re)

a. Ribosomes
b. Lysosomes
c. Mesosomes
d. Vacuoles

A

a. Ribosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Given below are two statements: (2022)

Statement I: Mycoplasma can pass through less than 1 micron filter size.

Statement II: Mycoplasma are bacteria with cell wall

In the light of the above statements, choose the most appropriate answer from the options given below.

a. Statement I is incorrect but Statement II is correct
b. Both Statement I and Statement II are correct
c. Both statement I and statement II are incorrect
d. Statement I is correct but Statement II is incorrect

A

d. Statement I is correct but Statement II is incorrect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. Which of the following statements about inclusion bodies is incorrect? (2020)

a. These are involved in ingestion of food particles.
b. They lie free in the cytoplasm
c. These represent reserve material in cytoplasm
d. They are not bound by any membrane

A

a. These are involved in ingestion of food particles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Inclusion bodies of blue-green, purple and green photosynthetic bacteria are: (2020-Covid)

a. Gas vacuoles
b. Centrioles
c. Microtubules
d. Contractile vacuoles

A

a. Gas vacuoles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. The size of Pleuropneumonia-like Organism (PPLO) is: (2020-Covid)

a. 1 - 2 μm
b. 10 - 20 μm
c. 0.1 μm
d. 0.02 μm

A

c. 0.1 μm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. Which among the following is not a prokaryote? (2018)

a. Saccharomyces
b. Mycobacterium
c. Nostoc
d. Oscillatoria

A

a. Saccharomyces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as (2018)

a. Polysome
b. Polyhedral bodies
c. Plastidome
d. Nucleosome

A

a. Polysome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. Which of the following components provides sticky character to the bacterial cell?
    [OS] (2017-Delhi)

a. Cell wall
b. Nuclear membrane
c. Plasma membrane
d. Glycocalyx

A

d. Glycocalyx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. Select the wrong statement: (2016 - II)

a. Cyanobacteria lack flagellated cells.
b. Mycoplasma is a wall-less microorganism
c. Bacterial cell wall is made up of peptidoglycan.
d. Pilli and fimbriae are mainly involved in motility of bacterial cells

A

d. Pilli and fimbriae are mainly involved in motility of bacterial cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. Select the mismatch: (2016 - II)

a. Protists-Eukaryotes
b. Methanogens-Prokaryotes
c. Gas vacuoles-Green bacteria
d. Large central vacuoles-Animal cells

A

d. Large central vacuoles-Animal cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. A complex of ribosomes attached to a single strand of RNA is known: (2016 - I)

a. Polysome
b. Polymer
c. Polypeptide
d. Okazaki fragment

A

a. Polysome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. Which one of the following is not an inclusion body found in prokaryotes? (2015)

a. Glycogen granule
b. Polysome
c. Phosphate granule
d. Cyanophycean granule

A

b. Polysome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. Chromatophores take part in: (2015 Re)

a. Growth
b. Movement
c. Respiration
d. Photosynthesis

A

d. Photosynthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. The structures that help some bacteria to attach to rocks and or host tissues are: (2015 Re)

a. Fimbriae
b. Mesosomes
c. Holdfast
d. Rhizoids

A

a. Fimbriae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q
  1. The motile bacteria are able to move by: (2014)

a. Pili
b. Fimbriae
c. Flagella
d. Cilia

A

c. Flagella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q
  1. The organelles that are included in the endomembrane system are: (2021)

a. Endoplasmic reticulum, Golgi complex, Lysosomes and Vacuoles.

b. Golgi complex, Mitochondria, Ribosomes and Lysosomes.

c. Golgi complex, Endoplasmic reticulum, Mitochondria and Lysosomes.

d. Endoplasmic reticulum, Mitochondria, Ribosomes and Lysosomes.

A

a. Endoplasmic reticulum, Golgi complex, Lysosomes and Vacuoles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q
  1. Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells? (2020)

a. Peroxisomes
b. Golgi bodies
c. Polysomes
d. Endoplasmic reticulum

A

b. Golgi bodies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
  1. Which of the following statements is not correct? (2019)

a. Lysosomes have numerous hydrolytic enzymes.
b. The hydrolytic enzymes of lysosomes are active under acidic pH.
c. Lysosomes are membrane bound structures.
d. Lysosomes are formed by the process of packaging in the endoplasmic reticulum.

A

d. Lysosomes are formed by the process of packaging in the endoplasmic reticulum.

20
Q
  1. The Golgi complex participates in (2018)

a. Fatty acid breakdown
b. Formation of secretory vesicles
c. Respiration in bacteria
d. Activation of amino acid

A

b. Formation of secretory vesicles

21
Q
  1. Which of the following events does not occur in rough endoplasmic reticulum? (2018)

a. Protein folding
b. Protein glycosylation
c. Cleavage of signal peptide
d. Phospholipid synthesis

A

d. Phospholipid synthesis

22
Q
  1. A cell organelle containing hydrolytic enzymes is: (2016 - II)

a. Ribosome
b. Mesosome
c. Lysosome
d. Microsome

A

c. Lysosome

23
Q
  1. Select the correct matching in the following pairs: (2015)

a. Rough ER – Synthesis of glycogen
b. Rough ER – Oxidation of fatty acids
c. Smooth ER – Oxidation of phospholipids
d. Smooth ER – Synthesis of lipids

A

d. Smooth ER – Synthesis of lipids

24
Q
  1. The osmotic expansion of a cell kept in water is chiefly regulated by: (2014)

a. Ribosomes
b. Mitochondria
c. Vacuoles
d. Plastids

A

c. Vacuoles

25
Q
  1. Which one of the following organelle in the figure correctly matches with its function? (2013)

(insert an image)

a. Rough endoplasmic reticulum, protein synthesis
b. Rough endoplasmic reticulum, formation of glycoproteins
c. Golgi apparatus, protein synthesis
d. Golgi apparatus, formation of glycolipids

A

a. Rough endoplasmic reticulum, protein synthesis

26
Q
  1. A major site for synthesis of lipids is: (2013)

a. Nucleoplasm
b. RER
c. SER
d. Symplast

A

c. SER

27
Q
  1. The Golgi complex plays a major role: (2013)

a. In post translational modification of proteins and glycosidation of lipids

b. In trapping the light and transforming it into chemical energy

c. In digesting proteins and carbohydrates

d. As energy transferring organelles

A

a. In post translational modification of proteins and glycosidation of lipids

28
Q
  1. Which of the following pair of organelles does not contain DNA? (2019)

a. Mitochondria and Lysosomes
b. Chloroplast and Vacuoles
c. Lysosomes and Vacuoles
d. Nuclear envelope and Mitochondria

A

c. Lysosomes and Vacuoles

29
Q
  1. Which of the following statements regarding mitochondria is incorrect? [OS] (2019)

a. Outer membrane is permeable to monomers of carbohydrates, fats and proteins.

b. Enzymes of electron transport are embedded in outer membrane.

c. Inner membrane is convoluted with infoldings.

d. Mitochondrial matrix contains single circular DNA molecule and ribosomes.

A

b. Enzymes of electron transport are embedded in outer membrane.

30
Q
  1. Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP? (2017-Delhi)

a. Lysosome
b. Ribosome
c. Chloroplast
d. Mitochondrion

A

d. Mitochondrion

31
Q
  1. Mitochondria and chloroplast are

A. Semi-autonomous organelles

B. Formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery

Which one of the following options is correct? (2016-I)
a. Both (A) and (B) are correct
b. (B) is true but (A) is false
c. (A) is true but (B) is false
d. Both (A) and (B) are false

A

c. (A) is true but (B) is false

32
Q
  1. The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are: (2015)

a. Stroma lamellae
b. Stroma
c. Cristae
d. Grana

A

d. Grana

33
Q
  1. DNA is not present in: (2015)

a. Nucleus
b. Mitochondria
c. Chloroplast
d. Ribosomes

A

d. Ribosomes

34
Q
  1. Which structures perform the function of mitochondria in bacteria? (2014)

a. Mesosomes
b. Nucleoid
c. Ribosomes
d. Cell wall

A

a. Mesosomes

35
Q
  1. Match the following columns and select the correct option: (2020-Covid)

Column-I Column-II
A. Smooth Endoplasmic Reticulum i. Protein synthesis

B. Rough endoplasmic reticulum ii. Lipid synthesis

C. Golgi complex iii. Glycosylation

D. Centriole iv. Spindle formation

(A) (B) (C) (D) a. (iii) (i) (ii) (iv) b. (iv) (ii) (i) (iii) c. (i) (ii) (iii) (iv) d. (ii) (i) (iii) (iv)
A

d. (ii) (i) (iii) (iv)

36
Q
  1. Microtubules are the constituents of: (2016-I)

a. Cilia, Flagella and Peroxisomes
b. Spindle fibres, Centrioles and Cilia
c. Centrioles, Spindle fibres and Chromatin
d. Centrosome, Nucleosome and Centrioles

A

b. Spindle fibres, Centrioles and Cilia

37
Q
  1. The solid linear cytoskeleton elements having a diameter of 6 nm and made up of a single type of monomer are known as: [OS] (2014)

a. Lamins
b. Microtubules
c. Microfilaments
d. Intermediate filaments

A

c. Microfilaments

38
Q
  1. Match the following and select the correct answer: (2014)

A. Centriole i. Infoldings in mitochondria

B. Chlorophyll ii. Thylakoids

C. Cristae iii. Nucleic acids

D. Ribozymes iv. Basal body cilia or flagella

a. A-iv B-iii C-i D-ii
b. A-iv B-ii C-i D-iii
c. A-i B-ii C-iv D-iii
d. A-i B-iii C-ii D-iv

A

b. A-iv B-ii C-i D-iii

39
Q
  1. Match List-I with List-II. (2022)List-I List-II
    A. Metacentric chromosome: i. Centromere situated close to the end forming one extremely
    short and one very long arms

B. Acrocentric chromosome: ii. Centromere at the terminal end

C. Submetacentric: iii. Centromere in the middle forming two equal arms of
chromosomes

D. Telocentric chromosome: iv. Centromere slightly away from the middle forming one shorter
arm and one longer arm

Choose the correct answer from the options given below.
a. A-i B-ii C-iii D-iv
b. A-iii B-i C-iv D-ii
c. A-i B-iii C-ii D-iv
d. A-ii B-iii C-iv D-i

A

b. A-iii B-i C-iv D-ii

40
Q
  1. Which of the following is an incorrect statement? (2021)

a. Microbodies are present both in plant and animal cells.

b. The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm.

c. Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm.

d. Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles.

A

d. Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles.

41
Q
  1. Match List-I with List-II (2021)

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. A-i B-iv C-iii D-ii
b. A-iii B-iv C-i D-ii
c. A-ii B-iii C-iv D-i
d. A-iv B-iii C-ii D-i

A

b. A-iii B-iv C-i D-ii

42
Q
  1. When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as: (2021)

a. Telocentric
b. Sub-metacentric
c. Acrocentric
d. Metacentric

A

d. Metacentric

43
Q
  1. The biosynthesis of ribosomal RNA occurs in: (2020-Covid)

a. Golgi apparatus
b. Microbodies
c. Nucleolus
d. Ribsosomes

A

c. Nucleolus

44
Q
  1. The shorter and longer arms of a submetacentric chromosome are referred to as [OS] (2019)

a. s-arm and l-arm respectively
b. p-arm and q-arm respectively
c. q-arm and p-arm respectively
d. m-arm and n-arm respectively

A

b. p-arm and q-arm respectively

45
Q
  1. Which of the following is true for nucleolus? (2018)

a. Larger nucleoli are present in dividing cells.
b. It is a membrane-bound structure.
c. It takes part in spindle formation.
d. It is a site for active ribosomal RNA synthesis

A

d. It is a site for active ribosomal RNA synthesis

46
Q
  1. The chromosomes in which centromere are situated close to one end are: (2015)

a. Telocentric
b. Sub-metacentric
c. Metacentric
d. Acrocentric

A

d. Acrocentric

47
Q
  1. Nuclear envelope is a derivative of: (2015)

a. Microtubules
b. Rough endoplasmic reticulum
c. Smooth endoplasmic reticulum
d. Membrane of Golgi complex

A

b. Rough endoplasmic reticulum

48
Q
  1. Balbiani rings are sites of: [OS] (2015 Re)

a. Nucleotide synthesis
b. Polysaccharide synthesis
c. RNA and protein synthesis
d. Lipid synthesis

A

c. RNA and protein synthesis

49
Q
  1. Match the columns and identify the correct option. (2015 Re)

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

a. A-(iii) B-(iv) C-(i) D-(ii)
b. A-(iii) B-(i) C-(iv) D-(ii)
c. A-(iii) B-(iv) C-(ii) D-(i)
d. A-(iv) B-(iii) C-(i) D-(ii)

A

a. A-(iii) B-(iv) C-(i) D-(ii)

Biology Flashcards (29 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions