Name the plant hormones responsible for the elongation of cells.

Photonasty is a type of nastic movement in response to 

Which of the following is an inhibitory hormone  ?

Thigmonasty a type of nastic movement occur in response to which stimulus ?

Hormone responsible for delay in senescence in plants is _________________

In _________________ plants show sleep movements according to the day and night pattern of the sun.

Name the hormone which induce stem elongation by increasing the length of internodes : - 

Name the plant hormones responsible for the promotion of cell division

Nyctinastic movement is the movement of plant or plant part in response to 

Which of the following are correct :

(a) Auxins initiates the development of dwarf shoots.

(b) The twining of a tendril around a support is also due to auxins.

(c) Auxins are plant hormones synthesized in the apical meristem of the root tips and shoot tips.