Which of the following is true for the function disease in family A and B? of labelled parts in the diagram below?

• A - Blind spot - Image is formed here

• B - Fovea - No visual activity is present

• C - Cornea - Helps to hold lens in place

• D - Iris - Visible coloured portion of eye

Assertion : Corpus callosum connects the two cerebral hemispheres.

Reason : Association areas are responsible for complex functions like intersensory association of memory and communication.

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

• If both assertion and reason are hue 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 : Auditory ossicles are small bones present in the cavity of inner ear.

Reason : Auditory ossicles maintain the balance of air pressure between two sides of ear drum.

• 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 nerves arises from organ of Corti?

• Olfactory nerve

• Cochlear nerve

• Abducens nerve

• None of these

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.

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

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.

Injury to vagus nerve in humans is not likely to affect

• tongue movements

• gastrointestinal movements

• pancreatic secretion

• cardiac movements.

239.

Which of the following is an eye disease?

• Hepatitis

• Measles

• Glaucoma

• Bronchitis

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