Question

Assertion (A): Amoeba takes in food using finger like extensions of the cell surface.

Reason (R): In all unicellular organisms, the food is taken in by the entire cell surface.

Options

• Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of (A).

• Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of (A).

• Assertion (A) is true, but Reason (R) is false.

• Assertion (A) is false, but Reason (R) is true.

Answer 1

Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of (A).

Explanation:

An amoeba catches food via pseudopodia, which are finger-like extensions of its cytoplasm. The food particle is subsequently consumed by encasing it in the cell membrane and internalising it, a process known as phagocytosis. Food is consumed by the entire surface of unicellular organisms.