1. Which one among the following is not a greenhouse gas?
(a) Methane
(b) Oxygen
(c) Carbon Dioxide
(d) Water Vapour
2. Ozone layer depletion is a major phenomenon in ? [UPSC CAPF 2015]
(a) Troposphere
(b) Stratosphere
(c) Thermosphere
(d) Exosphere
3. You placed a car in an open parking area in a summer day. After a few hours, you noticed that the heat is trapped inside the car. This phenomenon is known as ? [UPSC CAPF 2012]
(a) ozone depletion
(b) greenhouse effect
(e) solar effect
(d) cosmic ray impingement
4. Which one among the following substances is not a ‘green house’ gas? [UPSC CAPF 2015]
(a) Water vapour
(b) Chlorofluorocarbon
(c) Methane
(d) Nitrogen
5. Which one among the following is not a renewable energy source? [UPSC CAPF 2021]
(a) Solar
(b) Wind
(c) Nuclear
(d) Hydroelectric
6. Presence of ozone in the atmosphere is important because it absorbs
(a) ultraviolet-A and ultraviolet-B radiations
(b) ultraviolet-B radiations only
(c) infrared-B radiations only
(d) outgoing ultraviolet-B radiations and incoming ultraviolet-A radiations