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[A]: Xanthium will not flower if the lon...

[A]: Xanthium will not flower if the long dark period is interrupted by a single brief flash of light.
[R]: Xanthium is a long day plant where continuous long light period as essential for flowering.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
C
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TRUEMAN BIOLOGY-Plant Physiology -ASSERTION AND REASON
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