Cells and Tissues of Eye

Q.

Rod cells can differentiate between colours.

1. True

2. False

Q. The pigment rhodopsin present in the rod cells is necessary for colour vision.

1. True
2. False

Q.

The light-sensitive cells found on the retina are known as:

1. Rods and cones

2. Cochlea and pinna

3. Iris and pupil

4. Vitreous and aqueous humour

Q. Which region of the eye has the highest concentration of cones?

1. Sclera
2. Conjunctiva
3. Fovea
4. Cornea

Q. Rod cells are able to function in low light intensity.

1. True
2. False

Q. Assertion [A]: Owls have a better night vision.

Reason [R]: Owl eyes are dominated by cones.

1. A is True and R is False
2. R is True and A is False
3. Both A and R are true and R is a correct explanation for A.
4. Both A and R are true but R is not a correct explanation to A

Q. In mammals, the point in the eye from which optic nerves and blood vessels leave the eyeball is known as ______ .

1. blind spot
2. iris
3. cornea
4. retina

Q. Area of the retina where there are no photoreceptor cells is called ______.

1. cornea
2. yellow spot
3. iris
4. blind spot

Q. Choose the correct pair.

1. Rod cells
2. Aqueous humour
3. Iodopsin
4. Rhodopsin
5. Vitreous humour
6. Cone cells
7. Provides nourishment
8. Maintains eye shape

Q. The area of retina in human eye which contains the maximum number of cone cells is:

1. Macula
2. Yellow spot
3. Blind spot
4. Fovea centralis