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[A]: Light is very important external fa...

[A]: Light is very important external factor of transpiration.
[R]: Light induces stomata! opening and darkness stomata! closure. Thus the rate of transpiration increases in light and de- creases in dark.

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:
A
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Knowledge Check

  • Electrical conductivity of Se is negligible in dark but increase on exposure to light based on this property to used in

    A
    Photoelectric cell
    B
    Semiconductors
    C
    High voltage Batteries
    D
    Lead storage Batteries.
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