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Read the assertion and reson carefully t...

Read the assertion and reson carefully to mark the correct option out of the options given below:
Assertion : Nerve fibre can become excited through touch , smell , pressure and chemical changes and there is a change in polarity .
Reason : It is called active potential

A

(A) and (R ) both are correct and (A) is correct explanation

B

(A) is correct, but (R ) is wrong

C

(A) and (R ) both are correct, but (A) is not correct explanation of (R )

D

(A) is wrong and (R ) is correct

Text Solution

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The correct Answer is:
C
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ARIHANT NEET-NEURAL CONTROL AND COORDINATION -CHAPTER EXERCISES MEDICAL ENTRANCES GALLERY
  1. An interneuron consists of the following

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  2. Which group of cranial nerves control eyeball movements?

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  3. Read the assertion and reson carefully to mark the correct option out ...

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  4. In EEG, the waves which are low in frequency but with high amplitude a...

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  5. Choose the function of sympathetic nervous system

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  6. Depolarisation of nerve membrane takes place through influx of ….. Ion...

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  7. Select the correct statement regarding Schwann cells

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  8. Synapse is…….

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  9. Which is wrong regarding conduction of nerve impulse?

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  10. How do parasympathertic neural signals affect the working the heart

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  11. Injury localized to the hypothalamus would most likely disrupt

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  12. Thermoregulatory centre of human body is associated with

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  13. The smallest cranial nerve is

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  14. Hearing is controlled by

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  15. The part of the brain where the centre for hunger and thirst is locate...

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  16. The reflex arc which is made of two neurons is known as

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  17. The cornea is very important component of the human eye. The main func...

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  18. Adrenaline is equivalent to which neurotransmitter

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  19. Sensory neurons in the retina of eye are

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  20. The human hind brain comparises three parts, one of which is

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