AIIMS2019Botany-Water Relations
AIIMS 2019 Botany Water Relations MCQ Question
Type: MCQ-Medium
Assertion: When the ambient temperature is high and soil contains excess of water, the plants tend to lose water in form of droplets from lenticels.
Reason: Root pressure regulates the rate of loss of water from lenticels.
A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true but reason is not the correct explanation of assertion.
C
If assertion is true but reason is false.
D
If both assertion and reason are false.
Correct Answer
Option B
Detailed Explanation
When ambient temperature is high, plants lose water from lenticels due to high root pressure. However, root pressure is not the main regulator of this water loss.
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