Question

Directions: Choose the correct option:​
Assertion (A): Aerenchyma is the chief anatomical adaptation of hydrophytes.​
Reason (R): Aerenchyma helps the plant in the exchange of gases and gives buoyancy.​

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

Answer 1

The correct option is C Both assertion(A) and reason(R) are true and reason(R) is the correct explanation for assertion(A). ​

The correct answer is (a). Both A and R are true and R is the correct explanation for A.​

• ​Aerenchyma is a plant tissue. It is a type of parenchymatous tissue which contain air spaces.
• Most of the hydrophytes bear this tissue.
• This tissue contains air space and helps in giving buoyancy to the leaves or plants and help in free floating.​