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The Fundamental Unit of Life — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
Question
Assertion: Cells vary greatly in their shape.
Reason: The shape of cell does not depend on the function they perform.
✓

Answer

  1. Assertion is correct but Reason is incorrect.
Explanation:
Cells vary greatly in their shape. They may disc-like polygonal, columnar, cuboid, thread like, or even irregular. The shape of the cell may vary with the function they perform e.g., xylem vessels are long as they have to form long water conducting channels.

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