Science True-False

Salivation, blood pressure and vomiting are voluntary actions.

Vegetative propagation takes place in the buds produced in the notches along the margins of Bryophyllum leaf.

The involuntary action like salivation is controlled by the medulla in the hind- brain.

Chemical coordination is seen in both plants and animals.

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

Absciscic acid is a plant hormone which promotes 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.

The reflex action is controlled by the heart.

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