Statement 1: Deafness is caused due to rupturing of the pinna.

Statement 2: Ciliary muscles regulate the size of the pupil.

Statement 1 is true and statement 2 is false

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Statement 1 is false and statement 2 is true

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Both the statements are true

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Both the statements are false

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Solution

The correct option is D
Both the statements are false

Ruptured eardrum (tympanic membrane perforation) can cause hearing loss. Loud blasts of noise, sudden changes in pressure, poking your eardrum with an object and infection can cause your eardrum to rupture and affect your hearing. Light enters the eye through the pupil, and the iris regulates the amount of light by controlling the size of the pupil.

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Similar questions

State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.

(a) Deafness is caused due to rupturing of the pinna. (T/F)

(b) Semi circular canals are concerned with static (positional) balance. (T/F)

Column 1Column 2p. Retinai. Accommodationq. Corneaii. Site at which image is formedr. Irisiii. Major refraction surfaces. Ciliary bodyiv. Regulation of pupil size

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