Question

Assertion :Growth is found in multicellular organisms. Reason: Unicellular organisms also grow by division.

• A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
• B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
• C. Assertion is true Reason is false
• D. Reason is True but Assertion is False

Answer 1

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

In nature, all living organism undergoes growth and development. Unicellular organism began their life as a single cell and remain as a single cell throughout their life. In unicellular growth is the step of the reproduction. The unicellular organism grows by the mitotic division only e.g. binary fission in amoeba. The multicellular organism also began their life as a single cell but they divide mitotically and form tissues then organs, organ system. In a multicellular organism, the meiotic division also takes place, only in germ cells.

So, the correct option is 'Both assertion and reason are correct but reason is not the correct explanation for Assertion'.