What happens to the cell when it is placed in salt
solution?
a) Bursts b) Shrinks
c) Swells d) No effect
55. Cell theory states that cells are structural and
fundamental units of _____.
a) plants
b) animals
c) both plants and animals
d) only microorganisms
56. The structure that imparts turgidity and rigidity to
the cell is ______
a) vacuole b) ribosome
c) cell wall d) cell membrane
57. The physiological process that helps in the uptake
of water and salts in plants is _____.
a) diffusion b) photosynthesis
c) respiration d) osmosis
58. Which of the following organelles is enclosed in a
single membrane?
a) Nuclei b) Lysosomes
c) Chloroplasts d) Mitochondria
59. Identify the organelle which is commenly seen in
both plant cell and animal cell.
a) Centriole
b) Tonoplast
c) Mitochondria
d) Both (a) and (b)
60. Identify the protein factories of the cell
a) Lysosomes
b) Chloroplasts
c) Mitochondria
d) Ribosomes
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Answer:
1 a) 55 c) 56c) 57d) 58a) 59c) 60d)
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