The main function of abscisic acid in plants is to

What is the role of motor areas in the brain?

In a synapse,chemical signal is transmitted from :

Select the mis-matched pair.

$(a)$ Name one organ each where growth hormone is synthesized in man and plant.
$(b)$ List the sequence of events that occur when a plant is exposed to unidirectional light,leading to bending of a growing shoot. Also,name the hormone and the type of movement.

Mention any four reflex actions of the body.