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 )

A part of the third wall of a retina of an eye

Gland present in oral cavity of frog

EASY

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Ora serrata is

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Important Questions on Neural Control and Coordination

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

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

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

HARD

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

Choose the correct statements.

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:

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

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

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 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