MCQ Flashcards
Which of the following can be made into crystal?
(a) A bacterium
(b) An Amoeba
(c) A virus
(d) A sperm
(c) A virus
Animal cell lacking nuclei would also lack in
(a) Endoplasmic reticulum
(b) Chromosome
(c) Lysosome
(d) Ribosome
(b) Chromosome
The process of plasmolysis in plant cell is defined as:
(a) Breakdown of plasma membrane in hypotonic solution.
(b) Shrinkage of cytoplasm in hypertonic medium.
(c) Shrinkage of Nucleoplasm.
(d) None of these
(b) Shrinkage of cytoplasm in hypertonic medium.
Which of the following are covered by a single membrane?
(a) Mitochondria
(b) Vacuole
(c) Lysosome
(d) Plastid
(b) Vacuole
The proteins and lipids, essential for building the cell membrane, are manufactured by
(a) rough endoplasmic reticulum
(b) golgi apparatus
(c) plasma membrane
(d) mitochondria
(a) rough endoplasmic reticulum
Which of the following statement marks as a difference between plant cell and animal cell?
(a) Plant cells have cell wall which animal cells do not.
(b) Plant cells do not have vacuole while animal cells do have.
(c) Plant cells have only cell membrane while animal cells have both cell wall as well as cell membrane.
(d) Plant cells have more plastids while animal cells have few plastids.
(c) Plant cells have only cell membrane while animal cells have both cell wall as well as cell membrane.
Cell wall is absent in
(a) Plants
(b) Bacteria
(c) Fungi
(d) Mycoplasma
(d) Mycoplasma
Cell arises from pre-existing cell was stated by
(a) Haeckel
(b) Virchow
(c) Hooke
(d) Schleiden
(b) Virchow
Living cells were discovered by
(a) Robert Hooke
(b) Purkinje
(c) Leeuwenhoek
(d) Robert Brown
(c) Leeuwenhoek
You must have observed that a fruit when unripe is green but it becomes beautifully coloured when ripe. According to
you what is the reason behind this colour change.
(a) Chloroplasts change to chromosplasts
(b) Chromosplasts change to chromosomes
(c) Chloroplasts change to chromosomes
(d) Chromosplasts change to chloroplasts
(a) Chloroplasts change to chromosplasts
The primary function of smooth endoplasmic reticulum in liver cells is
(a) protein synthesis
(b) catabolism of proteins
(c) detoxification
(d) carbohydrate metabolism
(c) detoxification
Among the following statements which one is incorrect?
(a) Golgi apparatus is involved with formation of lysosomes.
(b) Nucleus, mitochondria and plastid have DNA, hence they are able to make their own structural proteins.
(c) Lysosomes are called the suicide bags as they eat up their own cells.
(d) Cytoplasm is called known as protoplasm.
(d) Cytoplasm is called known as protoplasm.
Chromosomes are made up of
(a) DNA
(b) Protein
(c) DNA and protein
(d) RNA
(c) DNA and protein
Cell membrane engulfed food from its external environment called
(a) Reverse Osmosis
(b) Diffusion
(c) Endocytosis
(d) Circulation
(c) Endocytosis
Human body is originated from……………
(a) mother
(b) Stomach of mother
(c) Single cell
(d) None of them
(c) Single cell