Question

Assertion(A): Amoeba, a single-celled animal is unable to perform all its functions.
Reason(R): The nucleus is absent in Amoeba.

• A. Both A and R are true and R is the correct explanation of A.
• B. Both A and R are true but R is not the correct explanation of A.
• C. A is true but R is false.
• D. A is false but R is true.

Answer 1

The correct option is D A is false but R is true.

Amoeba, a single-celled organism performs all the necessary functions that multicellular organism perform.It possesses all the cell organelles such as the nucleus, mitochondria, ribosomes, endoplasmic reticulum, etc. It captures and digests food, respires, excretes, grows and reproduces.