Match the following columns and select the correct option:- Column - I column - II (a) Rods and cones (i) Absence of photoreceptor cells (b) Blind spot (ii) Cones are densely packed (c) Fovea (iii) Photoreceptor cells (d) Iris (iv) Visible coloured portion of the eye

( a ) - ( iiii ) , ( b ) - ( i ) , ( c ) - ( ii ) , ( d ) - ( iv )

( a ) - ( ii ) , ( b ) - ( iii ) , ( c ) - ( i ) , ( d ) - ( iv )

( a ) - ( iii ) , ( b ) - ( iv ) , ( c ) - ( ii ) , ( d ) - ( i )

( a ) - ( ii ) , ( b ) - ( iv ) , ( c ) - ( iii ) , ( d ) - ( i )

EASY

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Retina is most sensitive at

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Important Questions on Neural Control and Coordination

EASY

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

The transparent lens in the human eye is held in its place by

EASY

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

The photosensitive compound in the human eye is made up of:

EASY

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

When one goes from a brightly lit area to a dimly lit room our eyes adjusts slowly, thereby regaining the clarity of vision. Which ONE of the following explains this process?

EASY

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

Which statement is CORRECT regarding blind spot in human eye?

It ___________.

EASY

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

Which of the following statements is correct?

EASY

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

In a blind spot of the human eye

HARD

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

Which of the following statement is correct?
(i) The rods contain a purplish-red protein called the rhodopsin.
(ii) The photopigments are embedded in the membrane discs of the inner segment.
(iii) Retinal is a derivative of vitamin A.
(iv) Light induces dissociation of the retinal from opsin resulting in changes in the structure of the opsin.

EASY

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

In the mammalian eye, the 'fovea' is the the center of the visual field, where:

MEDIUM

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

Which one of the following statements is not correct?

MEDIUM

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

Match the following columns and select the correct option:-

Column $- I$		column $- II$
(a)	Rods and cones	(i)	Absence of photoreceptor cells
(b)	Blind spot	(ii)	Cones are densely packed
(c)	Fovea	(iii)	Photoreceptor cells
(d)	Iris	(iv)	Visible coloured portion of the eye

HARD

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

Choose the correct statements.

MEDIUM

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

Short sightedness in humans can be corrected by using:

MEDIUM

Biology>Human Physiology>Neural Control and Coordination>Elementary Structure and Function of Eye

Match the following columns and choose the correct option.

	Column-I		Column- II
(A)	Fovea	(1)	Provides opening for entry of light
(B)	Iris	(2)	Transduces RGB light
(C)	Pupil	(3)	Transmits information to CNS
(D)	Lens	(4)	Controls amount of light entering
(E)	Optic nerve	(5)	Focuses light on the retina