Question

Assertion : In the ringing experiment, a narrow, continuous band of tissues external to they xylem is removed.
Reason : Ringing experiment proves that xylem is involved in water transport.
A. Both the Assertion and Reason are true and Reason is the correct explanation of the Assertion.
B. Both Assertion and Reason are true, but Reason is not the correct explanation of assertion
C. Assertion is true, but Reason is false
D. Assertion is false, but Reason is true

Answer 1

Correct Answer - A
In ringing eperiment, a continuous band of tissues external to the xylem is removed. When such plant is placed in the light, then after sometimes, the tissue above the ring become swollen due to the accumulation of solutes because, due to swelling, solutes can not transport towards the root side