Question

In the following questions, the assertion and reason have been put

forward. Read the statements carefully and choose the correct alternative

from the following:

a) Both the assertion and reason are correct and the reason is the correct

explanation of the assertion.

b) Both the assertion and reason are correct but the reason is not the

correct explanation of the assertion.

c) Assertion is true but the reason is false

d) Assertion is false but the reason is true

i. Assertion- ozone layer is getting depleted at atmosphere which is a

cause of concern.

Reason-CFC’s reacts with ozone and breaks it.

ii. Assertion-in human beings, the female play a major role in

determining the sex of the offspring.

Reason-women have two X chromosomes.

iii. Assertion-Ethanol is present in alcoholic drinks.

Reason-Ethanol has formula CH3OH

iv. Assertion-Nitrogen is a non-metal.

Reason-Nitrogen has 5 valence electrons.​

Answer 1

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I. a) Both the assertion and reason are

correct and the reason is the correct

explanation of the assertion

ii. d) Assertion is false but reason is true

iii. c) Assertion is true and reason is false

iv. a) Both the assertion and reason

are correct and the reason is the correct

explanation of the assertion.