Choose the correct answer from the alternatives given.
A chemical messenger from the embryo that apparently stimulates a seed to digest the endosperm is:

auxin

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cytokinin

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ethylene

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gibberellin

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Solution

The correct option is D gibberellin
A chemical messenger from the embryo that apparently stimulates a seed to digest the endosperm is gibberellin.
Effect of inhibitory substances can be removed by subjecting the seeds to chilling conditions or by application of certain chemicals like gibberellic acid and nitrates.
So, the correct option is 'gibberellin'.

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