Multiple Choice Questions

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Assertion : Connective tissue inside the brain is essential for conduction of nerve impulse.

Reason : Connective tissue hold together the nerve cells of brain.

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

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

  • If assertion is true but reason is false

  • If both assertion and reason are false


D.

If both assertion and reason are false

Connective tissue consists of variously shaped cells lying in an extracellular material called matrix. It joins one tissue to another in the organs. Connective tissue is absent inside the central nervous system i.e. brain and spinal cord and thus has no function in the conduction of nerve impulse.The nerve cells of the brain and spinal cord are held together by supporting cells called neuroglia cells.


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Hearing impairment affects which part of brain?

  • Frontal lobe

  • Parietal lobe

  • Temporal lobe

  • Cerebellum


Injury to vagus nerve in humans is not likely to affect

  • tongue movements

  • gastrointestinal movements

  • pancreatic secretion

  • cardiac movements.


Assertion: Organ of Corti rests on tectorial membrane.

Reason: It helps to maintain equilibrium of body

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

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

  • If assertion is true but reason is false

  • If both assertion and reason are false.


Which of the following is an eye disease?

  • Hepatitis

  • Measles

  • Glaucoma

  • Bronchitis


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Which match is true?

  • Vitamin deficiency disease Vitamin Source
    Severe bleeding Tocopherol Milk, egg
  • Anaemia Ascorbic acid Lemon, orange
  • Night blindness Retinol Carrot, milk
  • Sterility Calciferol Milk, butter

The black pigment in the eye which reduces the internal reflection is located in

  • retina

  • iris

  • cornea

  • sclerotic


Assertion: Rhabdome is present in Palaemon.

Reason: Rhabdome has an important role in digestion

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

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

  • If assertion is true but reason is false

  • If both assertion and reason are false.


One common example of simple reflex is

  • tying your shoe laces while talking to another person and not looking at them

  • watering of mouth at the sight of a favourite food

  • climbing up a stairs in dark without stumbling

  • closing of eyes when strong light is flashed across them.


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Assertion : Astigmatism is due to uneven curvature of lens.

Reason : It is treated with cylindrical lenses.

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

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

  • If assertion is true but reason is false

  • If both assertion and reason are false


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