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प्रश्न
Which part of the eye contains cells which are sensitive to light?
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उत्तर १
The retina of an eye contains light-sensitive cells.
उत्तर २
The retina is the part of the eye which contains cells that are sensitive to light.
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संबंधित प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
What is the role of the brain in reflex action?
Briefly explain the following terms : Reflex action
Name one gustatory receptor and one olfactory receptor present in human beings.
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Which of the following helps in maintaining posture and balance of the human body?
Which of the following are cerebral reflexes?
(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person's pupil contracts at once in the presence of bright light
(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (ii) and (iv)
Which of the following statements is correct about receptors?
Differentiate between the following pair of terms:
Stimulus and impulse
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Stimulus : Receptor :: Impulse : ______.
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Playing on the Keyboard
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Salivation when food is put in the mouth.
What type of reflex is the following?
Formation of goose-pimples in cold weather.
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
Give an example for conditioned reflexes.
Why have reflex arcs evolved in animals?
