Which cellular part is correctly described? | CGP Edu

Biology The Unit of Life ( Cell - The Unit of Life ) Skill Builder Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

Which cellular part is correctly described?

A

Thylakoids-flattened membranous sacs forming grana

B

Centrioles-Sites for active RNA synthesis

C

Ribosomes-Those in chloroplasts are larger ( 80 S ) while those in cytoplasm are smaller (70 S)

D

Lysosomes-Optimally active at 8.5 pH.

Text Solution

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The correct answer is:

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Centrioles: Responsible for the formation of spindle fibres that give rise to spindle apparatus during cell division in animal cells.
Lysosomes: Optimally active at acidic pH i.e., .
Ribosome: They are composed of RNA and proteins and are not surrounded by any membrane.

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