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Q.

Which phytohormone breaks seed and bud dormancy, initiates germination in peanut seeds?

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a

GA3

b

Ethylene 

c

Abscisic acid

d

Kinetin

answer is B.

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Detailed Solution

Ethylene is a simple gaseous PGR. Ethylene breaks seed and bud dormancy, initiates germination in peanut seeds and sprouting of potato tubers.

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