Control and Coordination Quiz 9

The movements which are not related with the direction of stimuli :

Who stated that “There is some influence substance in plants ?”

The hormone that influences ripening of fruits

Which plant hormone is responsible for closing of stomata ?

The first phytohormone discovered in plants is ……………

The phytohormone which helps in the prevention of loss of water is

Roots of a plant show:

Sprouting of lateral buds is promoted by

The sweet smell of ripen fruits is due to

Fadlike swellings at the base of Mimosa leaves are called

The hormone which inhibits the growth of plant is

The hormone promotes ageing in leaves in plants :

Dilation of the pupil of the eye is under the control of this hormone.

Auxins were discovered by :

Find the incorrect statement regarding thyroxine.