STANDARDBotany-Plant Growth Regulators
STANDARD Botany Cytokinins Assertion Reason Question
Type: Assertion Reason-conceptual-Medium
Assertion : Cytokinin are anti senescent. Reason : Effects of cytokinin’s is antagonistic to ethylene.
A
If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B
If both the assertion and the reason are true but the reason is not a correct explanation of the assertion
C
If the assertion is true but the reason is false
D
If both the assertion and reason are false
Correct Answer
Option A
Detailed Explanation
Cytokinins delay senescence by promoting cell division and growth, and their effects are indeed antagonistic to ethylene, which promotes senescence.
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