Biology : Neural Control and Coordination

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.

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

Which of the following is an eye disease?

• Hepatitis

• Measles

• Glaucoma

• Bronchitis

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.

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

Injury to vagus nerve in humans is not likely to affect

• tongue movements

• gastrointestinal movements

• pancreatic secretion

• cardiac movements.

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

• retina

• iris

• cornea

• sclerotic

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

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.

Hearing impairment affects which part of brain?

• Frontal lobe

• Parietal lobe

• Temporal lobe

• Cerebellum