One common example of simple reflex is from Biology Neural Contr

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 Multiple Choice QuestionsMultiple Choice Questions

81.

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.


82.

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


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83.

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.


D.

closing of eyes when strong light is flashed across them.

Simple or unconditional reflexes are present in an individual right from birth. They are specific, predictable, purposeful and have survival value, e.g. breast feeding and swallowing in newly born babies and blinking of eyes are examples of unconditioned reflexes.

(a), (b) and (c) are the examples of conditional reflexes and are not present at birth but develop later in life through learning habit.


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84.

Injury to vagus nerve in humans is not likely to affect

  • tongue movements

  • gastrointestinal movements

  • pancreatic secretion

  • cardiac movements.


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85.

Which of the following is an eye disease?

  • Hepatitis

  • Measles

  • Glaucoma

  • Bronchitis


86.

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

87.

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

  • retina

  • iris

  • cornea

  • sclerotic


88.

Hearing impairment affects which part of brain?

  • Frontal lobe

  • Parietal lobe

  • Temporal lobe

  • Cerebellum


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89.

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


90.

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.


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