Question

The site of perception of light/dark duration for flowering in plants is

Answer 1

The site of perception of light/dark duration are the leaves. ... The significance of photoperiodism is in regulating flowering in plants.

Answer 2

Site of perception is leaves

Explanation:

• The site of perception of light/dark duration are the leaves and the flower
• Because the response of plants to periods of day/night is termed as photoperiodism. The hormonal substance responsible for flowering is formed in the leaves, subsequently migrating to the shoot apices and modifying them into flowering apices. Photoperiodism helps in studying the response of flowering in various crop plants with respect to the duration of exposure to light.