Site for processing of vision, hearing, memory, speech, intelligence and thought is
(c) brain
In reflex action, the reflex arc is formed by
(d) receptor, spinal cord, muscle
Dendrites transmit impulse cell body and axon transmit impulse cell body.
(b) towards, away from
The outer most of the three cranial meninges is
(c) duramater
There are pairs of cranial nerves and pairs of spinal nerves.
(a) 12, 31
The neurons which carries impulse from the central nervous system to the muscle fibre.
(c) efferent neuron
Which nervous band connects the two cerebral hemispheres of brain?
(c) corpus callosum
Node of Ranvier is found in
(b) axons
Vomiting centre is located in
(a) medulla oblongata
Nerve cells do not possess
(b) sarcolemma
A person who met with an accident lost control of body temperature, water balance, and hunger. Which of the following part of brain is supposed to be damaged?
(d) hypothalamus
_____ is the longest cell in our body.
Neuron
Impulses travels rapidly in______ neurons.
Myelin sheath of
A change in the environment that causes an animal to react is called _____
stimulus
______ carries the impulse towards the cell body.
Dendrite
The two antagonistic component of autonomic nervous system are_______ and _____
Sympathetic nerves, para sympathetic nerves
A neuron contains all cell organelles except_____
Centrioles
_____maintains the constant pressure inside the cranium.
Cerebro spinal fluid
_____and ______ increases the surface area of cerebrum
sulci,gyri
The part of human brain which acts as relay center is ______
thalamus
Nissils granules
Cyton
Hypothalamus
Forebrain
Cerebellum
Hindbrain
Schwann
Peripheral Nervous system
Dendrons are the longest fibres that conducts impulses away from the cell body.
FALSE (Axons are the longest fibres that conducts impulses away from the cell body.)
Sympathetic nervous system is a part of central nervous system.
FALSE (Sympathetic nervous system is a part of autonomous nervous system.)
Hypothalamus is the thermoregulatory centre of human body.
TRUE
Cerebrum controls the voluntary actions of our body.
FALSE ( Cerebellum controls the voluntary actions of our body.)
In the central nervous system myelinated fibres form the white matter.
TRUE
All the nerves in the body are covered and protected by meninges.
FALSE (Brain and spinal cord are covered and protected by meninges.)
Cerebrospinal fluid provides nutrition to brain.
TRUE
Reflex arc allows the rapid response of the body to a stimulus.
TRUE
Pons helps in regulating respiration.
TRUE
(A): Cerebrospinal fluid is present throughout the central nervous system.. (R): Cerebrospinal fluid has no such functions.
a. Assertion is correct and reason is wrong
(A): Corpus callosum is present in space between the duramater and piamater... (R): It serves to maintain the constant intracranial pressure