Home
Class 11
BIOLOGY
The shape of eye lens is changed by...

The shape of eye lens is changed by

A

pupil

B

iris

C

optic nerve

D

ciliary muscle

Text Solution

Verified by Experts

The correct Answer is:
D

Ciliary muscles are circular sheet of smooth muscle fibres present within the ciliary body. These muscles alter the shape of the lens during contraction.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MORPHOLOGY OF FLOWERING PLANTS

    NCERT FINGERTIPS|Exercise Morphology Of Flowering Plants|135 Videos
  • PHOTOSYNTHESIS IN HIGHER PLANTS

    NCERT FINGERTIPS|Exercise Photosynthesis In Higher Plants|136 Videos

Similar Questions

Explore conceptually related problems

The change in focal length of an eye lens is caused by the action of the

Focal length of eye lens is changed by

Knowledge Check

  • The eye lens is a

    A
    transparent double-convex lens
    B
    transparent double-concave lens
    C
    transparent concavo-convex lens
    D
    none of these
  • Nature of eye lens is

    A
    opaque and crystalline
    B
    opaque and semi-solid
    C
    transparent and semi-solid
    D
    transparent and crystalline
  • Focal length of eye lens is changed by

    A
    Pupil
    B
    Iris
    C
    Cornea
    D
    Ciliary body
  • Similar Questions

    Explore conceptually related problems

    The eye lens is a:

    Assertion: The image distance in the eye increases, when we increase the distance of an object from the eye. Reason: For normal eye, image distance in the eye is fixed, being equal to distance of retina from the eye lens. The focal length of the eye lens is changed on account of accommodation power of the eye.

    The change in focal length of an eye lens is caused by the action of the

    The change in focal length of an eye lens is caused by the action of the

    The change in focal length of an eye - lens is caused by the action of the :