CUET-PG SERIES Environmental-studies
Ozone Depletion
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
3
2023 Chapter Questions 3 MCQs
01
PYQ 2023
medium
environmental-studies ID: cuet-pg-
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) :
Assertion (A): Ozone in troposhere is referred to as bad ozone.
Reasons (R): Fifty percent of ozone is troposphere is emitted directly from fossil fuel combustion and rest comes from stratosphere.
In the light of the above Statements, choose the correct answer from the options given below :
Assertion (A): Ozone in troposhere is referred to as bad ozone.
Reasons (R): Fifty percent of ozone is troposphere is emitted directly from fossil fuel combustion and rest comes from stratosphere.
In the light of the above Statements, choose the correct answer from the options given below :
1
Both (A) and (R) are true and (R) is the correct explanation of (A)
2
Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
3
(A) is true but (R) is false
4
(A) is false but (R) is true
02
PYQ 2023
medium
environmental-studies ID: cuet-pg-
One of the roles of ozone layer is to protect earth from
1
Sound Waves
2
UV Radiations
3
IR Radiations
4
Greenhouse effect
03
PYQ 2023
medium
environmental-studies ID: cuet-pg-
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Thinning of ozone layer is more prominant over Antartica as compared to Arctic.
Reason R: Stratospheric temperature over arctic does not fall as low and for as long as it happens over Antartica and Polar stratospheric clouds form less frequently over Arctic then over Antartica.
In the light of the above statements, choose the most appropriate answer from the options given below :
Assertion A: Thinning of ozone layer is more prominant over Antartica as compared to Arctic.
Reason R: Stratospheric temperature over arctic does not fall as low and for as long as it happens over Antartica and Polar stratospheric clouds form less frequently over Arctic then over Antartica.
In the light of the above statements, choose the most appropriate answer from the options given below :
1
Both A and R are correct and R is the correct explanation of A
2
Both A and R are correct but R is not the correct explanation of A
3
A is correct but R is not correct
4
A is not correct but R is correct