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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 : Vitamin A deficiency produces right blindness.
Reason : Photosensitive pigment rhodopsin is synthesised from vitamin A .

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
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MOTION-SENSORY ORGANS-EXERCISE - 3
  1. For the given diagram which labelling and function is correctly matche...

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  2. The figure shows a diagrammatic representation of the sectional view o...

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  3. Assertion. Tympanic membrane separates the external ear from the middl...

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  4. Assertion :- Cornea causes the maximum refraction of the light rays. T...

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  5. Assertion :- The receptor cells in the organ of Corti transmit impulse...

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  6. Assertion :- Only the pigmented layer of the neuro sensory tunic conti...

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  7. Assertion :- Main function of ear is body balance. Reason:- Organ o...

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  8. Assertion :- Inverted & real image is formed on retina. Reason:- Aq...

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  9. Assertion :- A real and inverted image is obtained on the retina. R...

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  10. Assertion :- Some person unable to see in the dark. Reason:- They l...

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  11. Assertion :- Blind spot of the retina of the eye is devoid of the abil...

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  12. Assertion :- Accomodation is done by Iris of eye. Reason:- Lens is ...

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  13. Assertion :- Accomodation power is present in human eye. Reason:- It...

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  14. Assertion :- If we remove hair cell, then hearing is not possible. R...

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  15. Assertion :- Vision of eye is not disturbed in "Red eye" . Reason:- ...

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

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  17. Assertion :- The auditory ossicles help in hearing. Reason:- Auditor...

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  18. Assertion :- Organ of Corti rests on tectorial membrane having hair ce...

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  19. Assertion :- No image formation occurs at retina where the optic nerve...

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  20. Assertion :- Rods are not functional in red green blindness. Reason:...

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