Question

The stimulus of cold treatment (vernalisation) is perceived by

• A. Leaves
• B. Flowers
• C. Roots
• D. Shoot apices

Answer 1

The correct option is D Shoot apices

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. The stimulus of cold treatment is perceived by shoot tips, embryo tips and other meristematic regions pf the plant.

So, the correct answer is 'Shoot apices'.