Atmosphere MCQ Questions And Answers For Competitive Exams
||Atmosphere MCQ For Competitive Exams||Atmosphere Questions And Answers For Competitive Exams||
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1. The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is
(A) Troposphere, Stratosphere, Ionosphere, Mesosphere
(B) Stratosphere, Troposphere, Ionosphere, Mesosphere
(C) Troposphere, Stratosphere, Mesosphere, Ionosphere
(D) Stratosphere, Troposphere, Mesosphere, Ionosphere
2. Most weather activity occurs in which atmospheric layer?
(A) Ozonosphere
(B) Ionosphere
(C) Troposphere
(D) Exosphere
3. The atmosphere is a mixture of several gases. Near the Earth surface it contains mainly
(A) Nitrogen and oxygen
(B) Nitrogen and carbon dioxide
(C) Oxygen and carbon dioxide
(D) Ethane and oxygen
4. Which gas has maximum percentage in atmosphere?
(A) Carbon
(B) Nitrogen
(C) Oxygen
(D) Hydrogen
5. The stratosphere is said to be ideal for flying jet aircrafts. This is because
(A) This layer is rich in ozone which reduces fuel consumption
(B) The temperature is constant and ideal for aircraft engine efficiency
(C) This layer is out of the firing range of antiaircraft guns
(D) The absence of the clouds and other weather phenomena
6. The ozone layer lies in the
(A) Troposphere
(B) Tropopause
(C) Stratosphere
(D) Photosphere
7. Which of the following protects life on Earth from the harmful radiations of the Sun?
(A) Troposphere
(B) Ionosphere
(C) Ozone layer
(D) Mist
8. Function of ozone layer in stratosphere is
(A) To stabilize the global temperature
(B) To reduce the frequency of Earthquake
(C) To avoid failure of monsoons
(D) To prevent ultra-violet radiation effect on ground
9. Ozone layer refers to
(A) The atmospheric condition of Antarctica
(B) Modern invention done on the planet saturn 196 Objective General Studies
(C) The layer about 10-20 km below the surface of Earth
(D) The layer of atmosphere of 15-20 km above the surface of Earth
10. The height of ozone layer above the surface of Earth is
(A) 15-20 km
(B) 40-50 km
(C) 70-80 km
(D) 110-120 km
11. Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?
(A) Troposphere
(B) Stratosphere
(C) Mesosphere
(D) Ionosphere
12. Which layer of atmosphere is responsible for Aurora Borealis?
(A) Troposphere
(B) Thermosphere
(C) Ionosphere
(D) Exosphere
13. Wireless communication is reflected to Earth’s surface by
(A) Troposphere
(B) Stratosphere
(C) Ionosphere
(D) Exosphere
14. Which layer of Atmosphere is used for Telecommunication?
(A) Troposphere
(B) Thermosphere
(C) Stratosphere
(D) Ionosphere
15. In which atmospheric layer are communication satellites located?
(A) Exosphere
(B) Stratosphere
(C) Ionosphere
(D) Troposphere
16. The four layers of the atmosphere are
1. Ionosphere
2. Mesosphere
3. Stratosphere
4. Troposphere
Their correct ascending order in terms of height is
Code
(A) 1, 2, 3, 4
(B) 2, 1, 4, 3
(C) 4, 3, 2, 1
(D) 3, 4, 1, 2
17. Arrange the following atmospheric zones in terms of the distance from the Earth’s surface in increasing order and select the correct answer from the code given below.
1. Thermosphere
2. Troposphere
3. Stratosphere
4. Mesosphere
Code
(A) 1, 3, 4, 2
(B) 2, 3, 1, 4
(C) 3, 4, 2, 1
(D) 2, 3, 4, 1
18. Which of the following are correct in matching the layer of atmosphere and its characteristics?
1. Troposphere - Weather Phenomena
2. Stratosphere - Ozone layer
3. Ionosphere - Radio waves reflected to Earth’s surface
4. Mesosphere - Aurorae
Code
(A) 1, 2, 3 and 4
(B) 1, 2 and 4
(C) 1, 2 and 3
(D) 2 and 3
||Atmosphere MCQ For Competitive Exams||Atmosphere Questions And Answers For Competitive Exams||
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