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