The perception of stimulus of cold treatment vernalisation is received by:

Stem

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Leaves

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Axillary buds

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Shoot apex

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Solution

The correct option is D Shoot apex
Vernalisation is the conversion of winter variety into spring variety by chilling treatment or low temperature. Treatment with low temperature (0-4°C) leads to shortening of vegetative phase and initiation of reproductive phase (flowering). The perception of cold stimulus is received by shoot tips, embryo tips and other meristematic regions of the plant.

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