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Question

Assertion (A): Genetically dwarf plants on treatment with gibberellins attain the size of normal plants

Reason(R): Gibberellins cause enormous cell elongation and intermodal length


A

Both A & R are true and R explains A

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B

Both A & R true and R does not explain A

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C

A is true and R is false

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D

Both A & R are false

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Solution

The correct option is A

Both A & R are true and R explains A


Gibberellins cause elongation of stem. Genetically dwarf pea and maize plants can be made tall by the application of gibberellins. It acts on the cells in the elongation phase.


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