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  • When a person is suffering from severe cold, he or she cannot (a) differentiate the taste of an apple from that of an ice cream (b) differentiate the smell of a perfume from that of an agarbatti (c) differentiate red light from green light

When a person is suffering from a severe cold, he or she cannot
(a) differentiate the taste of an apple from that of an ice cream
(b) differentiate the smell of a perfume from that of an agarbatti
(c) differentiate red light from green light
(d) differentiate a hot object from a cold object

Answers (1)

(b) differentiate the smell of a perfume from that of an agarbatti

Explanation: The common cold is a respiratory disease that involves the clogging of the nose with phlegm. It results in the blockage of the perception of smell. The olfactory receptors fail to send the olfactory signals to the nose as a result of which a person won't be able to differentiate between the smell of agarbatti and perfume.

Explanation for Incorrect option:

(a) When a person suffers from a cold, the taste buds are not much affected because of which the taste of an apple can be differentiated from that of an ice cream.

(c) When a person suffers from a cold, his photoreceptors are not affected. Hence, green light can be differentiated from red light.

(d) When a person suffers from a cold, his thermoreceptors are not affected. Therefore, a hot object can be differentiated from a cold object.

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