Cloudy nights are warmer then the nights with clean sky. Explain.

Stomata remain open at night in

Does dark reaction occur at night in the leaves?

One set of a plant was grown at 12 hours day and 12 hours night period cycle and it flowered while in the other set night period cycles and it flowered while in the other set night phase was interrupted by flash of ligth and did not produce flower. Under which one of the following categories will you place this plant

One set of a plant was grown at 12 hours day and 12 hours night period cycle and it flowered while in the other set night period cycles and it flowered while in the other set night phase was interrupted by flash of light and did not produce flower. Under which one of the following categories will you place this plant

A man stands on the ground at a fixed distance from a siren which emits a clear sound dirung night that during day. Explain Why?

Is it correct to say that short-day plants are actually long-night plants ? Explain.

Statement- 1 : A cloudy night is hotter than a clear sky night. Statement- 2 : Clouds are bad absorbers of heat.

If the short night is interrupted by the flashes of light will a long-day plant flower ?

In summer the sound of a siren is heard louder in the night than in the day to a person on earth. Why ?