Question

what is photoperiod for class 9 ​

Answer 1

Answer:

Photoperiodism is the physiological reaction of organisms to the length of night or a dark period. It occurs in plants and animals. Photoperiodism can also be defined as the developmental responses of plants to the relative lengths of light and dark periods.

Explanation:

I Hope you will make me brainliest

Answer 2

Answer:

Hope this answer helps you!

Explanation:

Photoperiod is the period of direct exposure to sunlight by a plant. It is response of an organism to change in day length i.e.photoperiod are related to the duration of sunlight. Growth of plant &flowering are dependent on sunlight .