EASY
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A small region on the retina of the eye which contains only cones is called :-

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Important Questions on Control and Co-ordination

HARD
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
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.
MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
The auditory nerve gets its input from which of the following?
MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors

Match the following columns and select the correct option.

  Column-I   Column-II
(a) Organ of Corti (i) Connects middle ear and pharynx
(b) Cochlea (ii) Coiled part of the labyrinth
(c) Eustachian tube (iii) Attached to the oval window
(d) Stapes (iv) Located on the basilar membrane
EASY
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors

Give biological explanations for the following:

We should not put sharp objects into our ears

MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors

Write one function of Sclera of the human eyeball.

MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
The layer of the eyeball that forms the transparent Cornea.
EASY
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
Which of the following statements is correct?
MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
Give the location and one function of mechanoreceptors.
MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors

Write one function of Retina of human eyeball.

MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
Match List I with List II: 

List I

List II
A. Fovea I.  Visible coloured portion of eye that regulates diameter of pupil.
B. Iris II.  External layer of eye formed of dense connective tissue.
C. Blind spot III. Point of greatest visual acuity or resolution.
D. Sclera IV. Point where optic nerve leaves the eyeball and photoreceptor cells are absent

Choose the correct answer from the options given below: 

MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
State two functions of ear.
EASY
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
Which of the following acts as a light sensitive screen in the Human eye?
MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors

Correct and rewrite the statements by changing the biological term that is underlined in the statement:

The part of the eye which can be donated from a clinically dead person is the Retina.

EASY
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors

Which statement is CORRECT regarding blind spot in human eye?

It ___________.

MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
Give the location and one function of baroreceptors.
HARD
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
The transparent anterior portion of sclera is called_____
MEDIUM
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
Give the location and one function of statoacoustic receptors.
EASY
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
In the mammalian eye, the 'fovea' is the the center of the visual field, where:
EASY
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
On which part of the eye does the human eye form the image of an object?
EASY
Biology>Human Physiology>Control and Co-ordination>Sensory Perception and Receptors
In a blind spot of the human eye