Which one among the following substances is NOT a "green house" gas?

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UPSC CAPF(AC) Exam 2015 Questions Solved

Question 49 The following item consists of two statements. Statement I and Statement II. Examine these two statements carefully and select the correct answer using the code given below:
Code:
A) Both the statements are individually true and Statement II is the correct explanation of Statement I
B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
C) Statement I is true but Statement II is false
D) Statement I is false but Statement II is true

Statement I All the energy received by the earth is from the Sun through electro-magnetic radiation

Statement II The earth also radiates back all the received energy through various ways to maintain the heat budget of the planet
Answer: C) Statement I is true but Statement II is false

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Question 50 Which one among the following substances is NOT a "green house" gas?

A) Water vapour
B) Chlorofluorocarbon
C) Methane
D) Nitrogen

Answer: D) Nitrogen

Question 51 BrahMos is the name of:

A) a short-range supersonic cruise missile
B) an air defence gun
C) a military satellite
D) a multiple rocket launcher

Answer: A) a short-range supersonic cruise missile