Science True-False

Chemical coordination is seen in both plants and animals.

Hypothalamus plays an important role in the release of many hormones from pituitary gland.

Gibberellin gives signal to plant to stop the growth.

The sensitive plants detect the touch though there is no nervous tissue or any muscle tissue.

The movement of sunflowers in response to day or night is quite fast.

Touch-me-not, a sensitive plant is of the Mimosa family.

Nerve cells have special proteins that change their shape and arrangement for conduction of impulse.

When we have cold, efficiency of olfactory receptors reduces.

Neuromuscular junction is synapse like gap between nerve ending and muscle fibre.

The communication between the peripheral nervous system and the other parts of the body is facilitated by the central nervous system.

Brain is never involved in reflex action.

Many involuntary actions are controlled by the mid-brain and hind-brain.