Vernalisation is the response due to

Options

(a) high temperature
(b) optimum temperature
(c) low temperature
(d) extreme temperature

Correct Answer:

low temperature

Explanation:

Photoperiodism is the response of plants to the relative lenght of day (light) and night (darkness). Phototaxis is taxis (plant movement) in which stimulus is light. Phototropism is tropism in which stimulus is light (bending of plants towards light). Vernalization is application of cold treatment of plants to effect flowering.