Nervous System English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

10th Standard

    Reg.No. :
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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. In reflex action, the reflex arc is formed by

    (a)

    brain, spinal cord, muscle

    (b)

    receptor, muscle, spinal cord

    (c)

    muscle, receptor, brain

    (d)

    receptor, spinal cord, muscle

  2. Dendrites transmit impulse ______ cell body and axon transmit impulse ______ cell body.

    (a)

    away from, away from

    (b)

    towards, away from

    (c)

    towards,towards

    (d)

    away from, towards

  3. There are ________ pairs of cranial nerves and _______ pairs of spinal nerves.

    (a)

    12, 31

    (b)

    31, 12

    (c)

    12, 13

    (d)

    12, 21

  4. Node of Ranvier is found in

    (a)

    muscles

    (b)

    axons

    (c)

    dendrites

    (d)

    cyton

  5. Vomiting centre is located in

    (a)

    medulla oblongata

    (b)

    stomach

    (c)

    cerebrum

    (d)

    hypothalamus

  6. Sneezing, yawning etc are examples of _______

    (a)

    voluntary actions

    (b)

    involuntary actions

    (c)

    reflex actions

    (d)

    planned actions

  7. The _____ is the second largest part of the brain.

    (a)

    cerebrum

    (b)

    medulla

    (c)

    cerebellum

    (d)

    pons

  8. The cytoplasm has granular body called _______

    (a)

    nissl's granules

    (b)

    nerve fibres

    (c)

    glial cells

    (d)

    nerve cells

  9. Neurons do not have the ability to _____

    (a)

    multiply

    (b)

    divide

    (c)

    regenerate

    (d)

    receive

  10. Each neuron can transmit ______ nerve impulses per second.

    (a)

    2000

    (b)

    3000

    (c)

    1000

    (d)

    5000

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