Q. System in animals which possess glands that secrete hormones is known as

View solution

Q. An appropriate stimulus which can initiate a nerve impulse is known as

View solution

Q. Excess thyroxine produces a condition called

View solution

Q. Nervous design in any animal is highly co-related with its

View solution

Q. In raising blood pressure, two hormones whose effect is synergistic are

View solution

Q. Neuroglia makeup half of nervous system in

View solution

Q. A single cubic centimeter of human brain may contain

View solution

Q. Modification of behaviour through a diminution of response to repeated stimuli is

View solution

Q. Abnormal development of hands, feet and jaws is known as

View solution

Q. Sprouting of potatoes is inhibited by

View solution

Q. Ability to form wing muscles and wings for flight in honey bees is

View solution

Q. Wounded plants develop masses of amorphous material with very poor differentiation known as

View solution

Q. Pathway of passage of impulse during a reflex action is called

View solution

Q. From Platyhelminthes to chordates including humans, nervous system present is

View solution

Q. Possible sign stimulus for digger wasp for which it responds is

View solution

Q. Eyes and chemoreceptors are present in

View solution

Q. Cell death in a brain area that produces dopamine causes

View solution

Q. Prolonged excessive secretion of thyroxine can lead to

View solution

Q. Long term change controlled by hormones is

View solution

Q. Action potential is triggered in post-synaptic neuron by causing changes in its

View solution