Practice test

Nervous system - Test Set 2

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Which part of the ear maintains the balance of our body?
    1. Otolith
    2. Malleus
    3. Tympanic membrane
    4. Cochlea
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  2. Question 2

    Parkinson's disease is characterized by the loss of nerve cells in the:
    1. Cingulate cortex
    2. Substantia nigra
    3. Reticular formation
    4. Cerebral cortex
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  3. Question 3

    Nerve cells originate from the embryonic:
    1. Ectoderm (stress)
    2. Endoderm
    3. Mesoderm
    4. Both endo and mesoderm
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  4. Question 4

    Cranial nerves in mammals are:
    1. 10 pairs
    2. 10
    3. 12 pairs
    4. 12
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  5. Question 5

    Short-sight defect could be corrected by a:
    1. Convex lens
    2. Concave lens
    3. Converging lens
    4. None of the above
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  6. Question 6

    The number of spinal nerves in the human body is:
    1. 12 pairs
    2. 31 pairs
    3. 31
    4. 12
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  7. Question 7

    Which part of the human eye has the maximum refractive index?
    1. Aqueous humour
    2. Vitreous humour
    3. Lens
    4. Cornea
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  8. Question 8

    Minamata disease is a nervous disorder caused by eating fish, polluted with:
    1. Mercury
    2. Iron
    3. Lead
    4. Nickel
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  9. Question 9

    The number of pairs of spinal nerves in man are:
    1. 20
    2. 21
    3. 31
    4. 40
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  10. Question 10

    Which of the following nerves is responsible for the sense of taste?
    1. Olfactory nerve
    2. Glossopharyngeal nerve
    3. Trochlear nerve
    4. Optic nerve
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  11. Question 11

    Which is the process of recording the electrical potential of skeletal muscles and nerves supplying them by inserting small needle electrodes into the muscles?
    1. EMG
    2. EEG
    3. ECG
    4. ECT
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  12. Question 12

    Which cranial nerve is responsible for the sense of smell?
    1. Vestibulocochlear
    2. Olfactory
    3. Oculomotor
    4. Optic
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  13. Question 13

    A typical adult human body contains about ________ of magnesium.
    1. 10 g
    2. 25 g
    3. 15 g
    4. 20 g
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  14. Question 14

    Collagen is a type of:
    1. fat
    2. carbohydrate
    3. vitamin
    4. protein
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  15. Question 15

    Which of the following is NOT a storage root?
    1. Napiform root
    2. Breathing root
    3. Conical root
    4. Fusiform root
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  16. Question 16

    Which of the following is NOT a vertebrate?
    1. Bird
    2. Snail
    3. Mammal
    4. Fish
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  17. Question 17

    The drug interferes with the transport of dopamine in the nervous system is:
    1. Cocaine
    2. Heroin
    3. Charas
    4. Morphine
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  18. Question 18

    An individual nerve cell may be up to ……long
    1. 100cm
    2. 50cm
    3. 80cm
    4. 10
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  19. Question 19

    The basic structural and functional unit of brain is:
    1. Nephron
    2. Cyton
    3. Neuron
    4. Axon
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  20. Question 20

    Which of the following structures is absent in nerve cells ?
    1. Nucleus
    2. Cytoplasm
    3. Centrosome
    4. Neurilemma
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