Question

Assertion (A): Avicennia roots are erect, peg like structures with numerous pores through which air circulates.
Reason (R): These roots are seen above the ground for the purpose of gaseous exchange called as breathing roots, or pneumatophores.

• 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 A

Both A and R are true and R is the correct explanation of A.

• Avicennia is a tree which grows in mangroves or swamps. They have roots which are seen above the ground for the purpose of gaseous exchange.
• These roots are erect, peg like structures with numerous pores through which air circulates.

These roots are called breathing roots, or pneumatophores.