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Assertion: Secondary roots and shoots ar...

Assertion: Secondary roots and shoots are plagiogeotropic.
Reason: Plagiogeotropic roots are those which develop at an angle of `45^(@)` from the vertical axis.

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 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

Text Solution

Verified by Experts

The correct Answer is:
A

The tendency for a tropism (growth response of a plant) to be oriented at an angle to the line of action of the stimulus concerned. For example, the growth of lateral branches and lateral roots is an oblique angle to the stimulus of gravity.
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