Question

Assertion: Specialization of cells is advantageous for an organism.
Reason: It increases the operational efficiency of an organism.

• A. Both assertion and reason are true and the reason is the correct explanation for the assertion.
• B. Both the reason and assertion are true but the reason is not the correct explanation for the assertion
• C. Assertion is true but reason is false
• D. Both the reason and assertion are false

Answer 1

The correct option is A Both assertion and reason are true and the reason is the correct explanation for the assertion.

Body of an animal is formed of several kinds of cells. There are about 200 different types of specialized cells in the human body. The cells of one or more kinds are arranged together in a characteristic manner and cooperate to perform a specific role. Such a group of cells is called a tissue.Specialization of cells into a tissue, organ and organ system is advantageous for an organism. It increases the operational efficiency through division of labour which avoids duplication of work.