NCERT Important Questions Class 9 Science biology Chapter 5
Important NCERT Extra Questions
Chapter 5 The Fundamental Unit of Life
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
What is the main function of each of the following organelles?
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(a) Ribosome; (b) Cell wall
(a) Ribosome. It is site of protein synthesis in the cell.
(b) Cell Wall. It provides shape, rigidity and protection to the cell.