1. Body coordination is maintained by

a)circulatory system

b)nervous system

c)endocrine system

d)both (b) and (c)

2. Which of the following is structural and functional unit of nervous system?

a)Axon

b)Neuron

c)Osteocyte

d)Neuroglia

3. Which of the following part of a neuron is covered by fattysheath?

a)Axon

b)Cyton

c)Dendrite

d)Node of Ranivier

4. Which matter is composed of

a)Nerve cells

b)ependymal

c)NERVE FIBRES

d)None of these

5. Myelin of the nerve fibres of the central nervous system is produced and maintained by

a)Astrocytes

b)Microglia

c)Schwann cells

d)Oligodendrocytes

6. In the resting state  of the neural membrane,diffustion due to      concentration gradients,if allowed would drive:

a)K + into the cell

b)Na + into the cell

c)Na + out of the cell

d)K +and Na +out of the cell

7. In medullated nerve fibre ,the conduction of impulse is faster due to the presence of

a)Pericytes

b)Nissls granules

c)endoneurium and epineurium

d)myelin sheath and node of Ranivier

8. The electrical potential difference between outside and inside of a nerve axon before excitation is known as

a)Resting potential

b)Action potential

c)Spike potential

d)Reaction potential

e)Activation potential

9. Chemicals which are released at the synaptic junction are called.

a) Lymp

b) Hormones

c) Neurotransmitters

d) Cerebrospinal fluid

10.The neurotransmitter produced at the synapse and neuromuscular junction is

a)GTP

b)ATP

c)Phosphokinase

d)Acetylcholine

11.Which of the following does not act as a neurotransmitter?

a)Tyrosine

b)Epinephrine

c)Acetylcholine

d)Glutamic acid

12. Adrenaline is equivalent to which neurotransmitter?

a) GABA

b) Serotonin

c) Epinephrine

d ) Norepinehrine

13.Which one isnot a neurotransmitter?

a)Thyroxine

b)GABA

C)Acetylcholine

d)Norepinephrine

14. Membrane covering the brain and spinal cord is called:

a)meninx

b)Grey matter

c)inner meninx

d)Middle meninx

15. Arachnoid matter is:

a)neurilemmal

b)outer meninx

c)inner meninx

d)Middle meninx.

16. Cerebrospinal fluid is present:

a)between piameter and arachnoid mater

b)between the duramater and cranium

c)Between arachnoid and duramater

d)beneath the piamater

17. The supporting and nutritive cells found in the brain are:

a)Microglia

b)Astrocytes

c)ependymal cells

d)oligodendrocytes

18. Corpus callosum is found in the brain of :

a)Frog

b)pigeon

c)elephant

d)crocodile

19) Which part of brain controls intellectual ability?

a)Frontal lobe

b)Parietal lobe

c)Temporal lobe

d)Occipital lobe

20) Which of the following structures is a part of diencephalon?

a)Basal ganglia

b)Olfactory bulb

c)Hypothalamus

d)Cerebral cortex

21. In which part of the brain corpora quadrigemina is located?

a)Diencephalon

b)Mesencephalon

c)Prosencephalon

d)Rhombencephalon

22. Occipital lobe is connected with:

a)Smell

b)Vision

c)Speech

d)Sensory area

23.Vomiting centre is located in the

a)Stomach an d some times in duodenum

b)Gastro-intestinal tract

c)Medula oblongata

d)Hypothalamus.

24.Which part of human brain is concerned with the regulation of body temperature?

a)Medula oblongata

b)Hypothalamus

c)Cererbrum

d)Cerebellum

25. Hypothalmus of the brain is not involved in this function.

a)Sleep –wake cycle

b)Temperature control

c)Osmoregulation and thirst

d)Accuracy pf muscular movement

26.Which part of the brain is involved in loss of control when person drinks alcohol?

a)Thalamus

b)cerebrum

c)Pons varolii

d)Cerebellum

e)Medulla oblongata

27. During course of evolution which part of the brain has shown maximum increase in size?

a)Mid brain

b)Fore brain

c)Hind brain

d)All of these

28. Pons ,cerebellum and medulla together constitute:

a)Hind brain

b)Mid brain

c)Fore brain

d)Telencephalon

e)Cerebral hemispheres

29.Human hind brain comprises three parts,one of which is :

a)spinal cord

b)cerebellum

c)Hypothalamus

d)corpus callosum

30.Integration of the visual,tactile and auditory inputs occurs in the

a)Midbrain

b)limbic system

c)Corpus callosum

d)Medulla oblongata

e)Peripheral nervous system

31.The part of the brain where the centre for hunger and thirst located is

a)cerebrum

b)Cerebellum

c)Hypothalamus

d)Medulla oblongata

32.Comprehension of spoken and written words takes place in the region of :

a) Association area

b) Motor area

c) Wernickes area

d) Brocas area

33.All sensory path ways to the cerebral cortex synapse at the:

a)Pons

b)thalamus

b)cerebellum

d)hypothalamus

34.The part of human hind brain that is responsible for hand- eye coordination is :

a)thalamus

b)Cerebellum

c)pons varolii

d)medulla oblongata

35.The nerve centres which control the body temperature and the urge for eating are contained in :

a)Pons

b)Thalamus

c)Cerebellum

d)Hypothalamus

36.Which function will be lost due to damage of occipital lobe?

a)Hearing

b)Speech

c)Vision

d)Memory

37. Signal nerves are usually

a)mixed

b)Sensory

c)Afferent

d)efferent

38.Which is the largest bone in middle ear?

a)Incus

b)Malleus

c)Stapes

d)Cochlea

39.Reflex action is controlled by

a)Spinal cord

b)autonomic nervous system

c)peripheral nervous system

d)sympathetic nervous system.

40.Which of the following is not involved in knee –jerk  reflex?

a)Brain

b) inter neurons

c)Motor neurons

d)Muscle spindle

41.Afferent nerve fibres conduct impulse from

a)CNS to receptor

b)CNS to effector

c)Receptor to CNS

d)Effector to receptor

42.The autonomic nervous system has control over:

a)Reflex action

b)Sense organs

c)internal organs

d)Skeletal muscles

e.Central nervous system.

43.The function of our visceral organs is controlled by

a)Sympathetic and parasympathetic neural system

b)Sympathetic and somatic neural system

c)Central and somatic nervous system

d)None of the above

44.Sensory neurons of retina of eye are :

a)Pacinian and Ruffinis corpuscles

b)Maculae and cristae

c)Rods and cones

d)All of the above

45.The inner most layer of the human eye is

a)choroid

b)cornea

c)sclera

d)retina

e)lens

46.Rods are sensitive to

a)Dim light

b)High intensity light

c)colour perception

d) All of these

47.The purplish red pigment rhodopsin contained in the rod type photoreceptor cells of the human eye is a derivative of

a)Vitamin A

b)Vitamic B1

C)Vitamin C

d)Vitamin D

48.The part of internal ear responsible for hearing is

a)Cochlea

b)Utriculus

c)Sacculus

d)Semicircular canal

49.Which part of the human ear plays no role in hearing as such but is otherwise  very much required?

a)Ear ossicles

b)Organ of corti

c)Eustachian tube

d)Vestibular apparatus

50.Organ of corti helps in

a)Maintaining equilibrium

b)Formation of wax

c)Hearing

d)All of these

ANSWER KEY

1.d

2.b

3.a

4.c

5.c

6.b

7.d

8.a

9.c

10.d

11.a

12.c

13.a

14.a

15.d

16.a

17.c

18.c

19.a

20.c

21.b

22.b

23.c

24.b

25.d

26.d

27.b

28.a

29.b

30.a

31.c

32.c

33.a

34.b

35.d

36.c

37.a

38.b

39.a

40.a

41.c

42.c

43.a

44.c

45.d

46.a

47.a

48.a

49.d

50.c