Given below are a few common reflexes in humans. Classify them as a simple or condition reflex.

(iv) Closing of eyelids if a strong beam of light is flashed across

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Solution

Answer: Simple reflex

To protect the pupil from rapid constriction, one will swiftly close the eyelids when the light intensity suddenly increases. Hence, closing of eyelids when a strong beam of light flashes is a simple reflex.

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Similar questions

(a) What is meant by reflex action?

(b) State whether the following are simple reflexes, conditioned reflexes or neither of the two.

(i) Sneezing - __________________

(ii) Blushing - ___________________

(iii) Contraction of eye pupil - _________________

(iv) Lifting up a book - _________________

(v) Knitting without looking - ____________________

(vi) Sudden application of brakes of the cycles on sighting an obstacle in front - ______________

Given below are a few common reflexes in humans. Classify them as a simple or condition reflex.

(iii) Tying of shoelaces while talking

Classify the following actions as simple reflex or conditioned reflex:

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