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Nervous System - Part 1
1
of
25
💡
Hints:
3
Q1. What is the other name for the brain?
A. Myelon
B. Encephalon
C. Cephalon
D. All of the above
Q2. Grey matter consists of.
A. A large number of neurons
B. A large number of nerve cell bodies
C. A large number of nerve fibres
D. Neuroglia
Q3. Conduction of stimulus along the nerve when it gets excited is.
A. Chemical
B. Thermal
C. Electrical
D. Mechanical
Q4. Brain and the spinal cord are invested by connective tissue called.
A. Arachnoid
B. Pleural membrane
C. Meninges
D. None of the above
Q5. Memory is the responsibility of.
A. Cerebrum
B. Cerebellum
C. Medulla obongata
D. Spinal cord
Q6. The nerve messages enter the cell through the.
A. Dendrite
B. Axon
C. Cyton
D. Synapse
Q7. The axon fibre is insulated with.
A. Myelin sheath
B. Sarcolemma
C. Protein
D. Lipid
Q8. The number of cranial nerves in man is.
A. 8 pairs
B. 10 pairs
C. 12 pairs
D. 15 pairs
Q9. The part of the eye behind the lens is f illed with.
A. Aqueous humor
B. Vitreous humor
C. Lymph
D. Blood
Q10. Which one of the following acts as a communication system?
A. Blood
B. Nerve
C. Lymph
D. Enzymes
Q11. While swallowing a tablet of chloroquin, one experiences its bitter when it accidentally comes in contact with the.
A. Tip of the tongue
B. Side of the tongue
C. Centre of the tongue
D. Back of the tongue
Q12. All or none law is observable in.
A. Blood
B. Lymph
C. Nerve
D. Bone
Q13. Nissl,s granules inside the nerve cell are made of.
A. DNA
B. Proteins
C. RNA
D. Carbohydrates
Q14. The part of the brain which is responsible for intelligence is.
A. Cerebrum
B. Opthalmic
C. Cochlea
D. Semicircular canals
Q15. The proper order of our ear ossicles in.
A. Malleus, Incus,Stapes
B. Incus,Malleus, Stapes
C. Stapes,Incus,Malleus
D. Incus ,Stapes,Malleus
Q16. The centres for balancing and hearing lie respectively,in the.
A. Cochlea and semicircular canals
B. Semicircular canals and cochlea
C. Semicircular canals and middleear bones
D. Cochlea and middle-ear bones
Q17. The cavities of the brain are filled with.
A. Blood
B. Lymph
C. Water
D. Cerebrospinal fluid
Q18. The external ears of man are intended for.
A. Ornaments
B. Scattering sound waves
C. Collecting sound waves
D. Beauty
Q19. The thermoregulatory centre in the human brain is the.
A. Pituitary
B. Spinal cord
C. Cerebellum
D. Hypothalamus
Q20. The hypoglossal nerves are the ..... of the spinal nerves.
A. First pair
B. Second pair
C. Third pair
D. Fourth pair
Q21. What is the colour of the outer portion of the spinal cord?
A. Gray
B. Brown
C. White
D. Yellow
Q22. The number of cranial nerves in frogs is.
A. 7 pairs
B. 8 pairs
C. 10 pairs
D. 12 pairs
Q23. Which one of the following is poorly developed in a frog?
A. Cerebellum
B. Cerebrum
C. Optic capsule
D. Diencephalon
Q24. The involuntary muscles are con trolled by the.
A. Cerebrum
B. Cerebellum
C. Medulla oblongata
D. Pons
Q25. We lose consciousness if blood flow to the brain is cut off ,for more than.
A. 2 sec
B. 5 sec
C. 15 to 20 sec
D. 5 min
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