Closure of stomata' is brought about by

Leaf abscission is brought about by

Leaf abscission is brought about by

Assertion : According to Scarth, opening and closure of stomata is controlled by pH value. Reason : Low pH value favours opening of stomata and higher pH value closure of stomata.

Closure of stomata in response to water stress is controlled by which of the following hormones ?

Name the hormone which signals the closure of stomata during severe drought or severe solar radiation.

Emulsification of fat is brought about by: