TCMUITO
CIVICIUNTIM
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126. Of the following organelles, which group is involved in manufacturing substances need
(a) Lysosome, vacuole, ribosome
(b) Vacuole, RER, SER
(c) Ribosome, RER, SER
(d) RER, Lysosome, vacuole
127. Dye injected into a cell might be able to enter an adjacent cell through a-
(a) Microtubule
(b) Microfilament (c) Plasmodesmata (d) Tight junction
128. The cytoskeleton is a proteinaceous network of fibres in the cytoplasm involved in -
(a) Mechanical support
(b) Motility
(c) maintenance of cell-shape
(d) All
129. Microtubules are made up of -
(a) Actin and function in locomotion
(b) Tubulin and are found in cilia and flagella
(c) Myosin and function in contraction
(d) Polysaccharide and function in locomotion
ving characteristic "9+ 2 morphology is the
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Answer:
126.c
127.d
128.d
129.b
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