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Rod cells are more sensitive and responsible for night vision.

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Important Questions on Neural Control and Coordination

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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
The transparent lens in the human eye is held in its place by
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
In the mammalian eye, the 'fovea' is the the center of the visual field, where:
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
In mammals, quadrate is modified as
MEDIUM
Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
Draw a labelled diagram of the internal ear and explain the mechanism of hearing.
MEDIUM
Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing

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
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing

Which statement is CORRECT regarding blind spot in human eye?

It ___________.

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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
A gymnast is able to balance his body upside down even in the total darkness because of:
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing

Study the following diagram of human tongue and identify the part I, II, and III

Question Image

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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
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?
HARD
Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
Light sensitive rod cells are responsible for
HARD
Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
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.
HARD
Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
Choose the correct statements.
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
Which of the following statements is correct?
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
In a blind spot of the human eye
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
How do Rods and Cones of human Dye differ from each other chemically and functionally ?
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
The photosensitive compound in the human eye is made up of:
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Which one of the following statements is not correct?
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
Night blindness is caused by the defect of cones.
MEDIUM
Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
Which one of the following is the correct difference between rod cells and cone cells of our retina?
  Rod cells Cone cells
1 Vision in poor light Colour vision and detailed vision in bright light
2 More concentrated in centre of retina Evenly distributed all over retina
3 Low in number High in number
4 lodopsin Rhodopsin
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Biology>Human Physiology>Neural Control and Coordination>Sensory Reception and Processing
Which is responsible for colour detection?