10th class Chemistry chapter 14 online mcq test with answers for matric part 2 chemistry unit 14(The Atmosphere)

Chemistry 10th Class English Medium Unit 14 Online Test

Sr. #	Questions	Answers Choice
1	___________ is not green house effect.	Increase of food chain increase atmospheric pressure Increase of sea level Increase of flood risks
2	Which pollutant is not found in car exhaust gases?	CO O<sub>3</sub> NO<sub>2</sub> SO<sub>3</sub>
3	Which one of the following gas has greater retaining capacity?	O<sub>2</sub> N<sub>2</sub> CO CO<sub>2</sub>
4	The earth atmosphere is getting hotter because of :	SO<sub>2</sub> O<sub>3</sub> CO<sub>2</sub> CO
5	How many percentage of sunlight is absorbed by atmosphere gases.	12% 18% 24% 30%
6	Which one of the following is not air pollutants?	N<sub>2</sub> CO NO<sub>2</sub> O<sub>2</sub>
7	Ozone is beneficial for us as it absorbs.....................	Infrared Radiations Ultraviolet radiations Chlorofluorocarbons Air pollutants
8	At the height 880120 km from earth's surface is.	Troposphere Mesosphere Stratosphere Thermosphere
9	Ozone is formed in:	Troposphere Stratosphere Mesosphere Thermosphere
10	The stratosphere layer is at height above the earth's surface.	0-12 km 12-50 km 50-85 km 65-120 km
11	Infrared radiation emitted by the earth are absorbed by?	CO<sub>2</sub>,H<sub>2</sub>O N<sub>2</sub>,O<sub>2</sub> CO<sub>2</sub>,N<sub>2</sub> O<sub>2</sub>,CO<sub>2</sub>
12	On which base atmosphere is divided into four regions?	Change in pressure Change in rediation Change in temperature Change in volume