Central Nervous System

Q.

What are astrocytes and their function in body?

Q. The hard protective outer covering for the brain is called

1. Skull and made of 14 bones
2. Cranium and made of 14 bones
3. Skull and made of 29 bones
4. Cranium and made of 8 bones

Q. Regulation of heart beat in mammals is due to–

1. The volume of blood in the circulatory system
2. The presence of excess of oxygen in blood
3. The presence of thyroxine in blood
4. The presence of pacemaker in the heart

Q. Match the columns I and II, and choose the correct combinations from the options given.

Column I	Column II
a. Respiratory rhythm centre	1. Pons
b. Pneumotaxic centre	2.Cerebellum
c. Apneustic centre	3. Medulla
d. Chemosensitive area	4. Cerebrum

Q. Assertion :Sutures present between the skull bones are immovable joints. Reason: There is no space between the skull bones and bones are attached by fibrocartilage.

1. Both assertion and reason are correct, and the reason is the correct explanation
2. Both assertion and reason are correct, but the reason is not a correct explanation
3. Assertion is correct, reason is incorrect.
4. Both assertion and reason are incorrect.

Q. Outermost covering of brain is called as

1. Dura mater
2. Pia mater
3. Choroid
4. Arachnoid mater

Q. List the advantages of having a nervous system. Also give differences between CNS and PNS.

Q. The central nervous system consists of the ____________.

1. Cranial and the spinal nerves
2. Brain and the spinal cord
3. Combined sensory and motor systems
4. None of the above

Q. If cerebellum of man gets damaged, his movement becomes

1. Shaky and speech becomes defective
2. Jerky and walked uncontrolled
3. Unbalanced walk, uncontrolled and defective speech, intention tremor
4. Jerky and defective speech

Q. Facial nerve is :

1. Motor
2. Sensory
3. Motor and sensory
4. None of these
   

Q. Meninges surrounding the brain of human from outside to inside are

1. Dura mater, pia mater, archnoid mater
2. Dura mater, arachnoid mater, pia mater
3. Pia mater, dura mater, arachnoid mater
4. Pia mater, arachnoid mater, dura mater

Q.

1. True
2. False

Q. Name the blood component which is viscous and straw-coloured fluid

Q. Which part of brain controls emotions like love, anger and pleasure?

1. Cerebrum
2. Medulla oblongata
3. Cerebellum
4. Hypothalamus

Q. Outermost covering of brain is

1. Pia mater
2. Dura mater
3. Choroid
4. Arachnoid

Q. Nervous system of human being is derived from

1. Ectoderm
2. Mesoderm
3. Endoderm
4. Trophoblast

Q.

Rate of heart beat is under the control of

1. Sympathetic nervous system

2. Parasympathetic nervous system

3. Peripheral nervous system

4. Both a & b

Q. Joint between bones of human skull is :

1. Fibrous
2. Hinge
3. Synovial
4. Pivots

Q. Myelin sheath is formed by:

1. Ranvier cells
2. Muscle cells
3. Schwann cells
4. Axon

Q. Establishment of polarity (anterior/posterior, dorsal/ventral, medial/lateral) is called

1. Axis formation
2. Organiser phenomenon
3. Anamorphosis
4. Pattern formation

Q. The autonomic nervous system has control over

1. Reflex action
2. Skeletal muscles
3. Sense organs
4. Internal organs

Q. Which part of cerebrum converts short term memory into long term memory?

1. Temporal lobe
2. Neuron
3. Prefrontal cortex
4. Hippocampal lobe

Q. The membrane which covers the brain and the spinal cord is

1. White matter
2. Peritonium
3. Grey matter
4. Meninges

Q. Which of the following is the middle layer of the meninges?

1. Dura matter
2. Pia matter
3. Arachnoid matter
4. None of the above

Q. Tetany is caused by

1. Hypoparathyroidism
2. Hyperthyroidism
3. Hyperparathyroidism
4. Hypothyroidism

Q. The two cerebral hemispheres are joined together by:

1. Corpora quadrigemina
2. Corpus callosum
3. Corpora striata
4. Rhinal fissure

Q.

The area of the brain responsible for maintaining homeostasis by regulating processes such as hunger, thirst, body temperature, and water balance is ______.

1. Cerebrum

2. Hypothalamus

3. Limbic system

4. Thalamus

Q. Which of the following causes sciatic nerve pain?

1. Spondylitis
2. Spinal stenosis
3. Both B and C
4. Arthritis in spine

Q. Voluntary activities of body are controlled by

1. Diencephalon
2. Cerebrum
3. Crura cerebri
4. Cerebellum

Q. Small, solid and four optic lobes or colliculus called as corpora quadrigemina are found in

1. Mammals
2. Amphibians
3. Aves
4. Reptiles