Question

Read the statements given below and choose the correct option-

Assertion: The movement of water in the xylem is always upward.

Reason: The downward movement of water is due to the pressure created by transpiration.

• A. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
• B. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
• C. Both Assertion and Reason are incorrect.
• D. Assertion is correct but Reason is incorrect

Answer 1

The correct option is D

Assertion is correct but Reason is incorrect

The correct answer is D.

Assertion statement:

1. The movement of water in the xylem is unidirectional and is always upward.
2. The upward movement of water is due to pressure created by transpiration, i.e. transpiration pull.

Reason statement:

1. The movement of water is always upward and not downward.
2. The reason for this is transpiration pull.

Final answer: (D) Assertion is correct but Reason is incorrect.