Q. Ozone layer refers to
(A) The atmospheric condition of Antarctica
(B) Modern invention done on the planet saturn
(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
Ans: (D)
Q. 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
Ans: (D)
Q. 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
Ans: (D)
Q. 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
Ans: (A)
Q. Wireless communication is reflected to Earth’s surface by
(A) Troposphere
(B) Stratosphere
(C) Ionosphere
(D) Exosphere
Ans: (C)
Q. Which layer of atmosphere is responsible for Aurora Borealis?
(A) Troposphere
(B) Thermosphere
(C) Ionosphere
(D) Exosphere
Ans: (C)
Q. In which atmospheric layer are communication satellites located?
(A) Exosphere
(B) Stratosphere
(C) Ionosphere
(D) Troposphere
Ans: (A)
Q. Which layer of Atmosphere is used for Telecommunication?
(A) Troposphere
(B) Thermosphere
(C) Stratosphere
(D) Ionosphere
Ans: (D)
Q. 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
Ans: (D)
Q. 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
Ans: (C)
Q. 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
Ans: (C)
36. Insolation
Q. Which one of the following reflects more Sunlight as compared to the three?
(A) Sand desert
(B) Paddy crop land
(C) Land covered with fresh snow
(D) Prairie land
Ans: (C)
Q. The highest temperature on the Earth is recorded at
(A) Equator
(B) 10º North Latitude
(C) 20º North Latitude
(D) 25º North Latitude
Ans: (C)
Q. Which of the following statements is not true?
(A) Presence of water vapour is highly variable in the lower atmosphere
(B) The zone of maximum temperature is located along the equator
(C) Frigid zones are located in both the hemispheres between the polar circles and the poles
(D) Jet streams are high altitude winds affecting the surface weather conditions
Ans: (B)
Q. Assertion (A): The atmosphere receives most of the heat only indirectly from the Sun and directly from the Earth’s surface. Reason (R): The conversion from shortwave solar to longwave terrestrial energy takes place at the Earth’s surface. Code
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
Ans: (A)
Q. Clear sky nights are cooler than cloudy sky nights due to
(A) condension
(B) radiation
(C) induction
(D) conduction
Ans: (B)
Q. Consider the following statements.
1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean.
2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere. Which of the statements given above is/are correct?
(A) Only 1
(B) Only 2
(C) Both 1 and 2
(D) Neither 1 nor 2
Ans: (B)
Q. Normally, the temperature decreases with the increase in height from the Earth’s surface, because
1. The atmosphere can be heated upwards only from the Earth’s surface.
2. There is more moisture in the upper atmosphere.
3. The air is less dense in the upper atmosphere. Select the correct answer using the code given below.
(A) Only 1
(B) 2 and 3
(C) 1 and 3
(D) 1, 2 and 3
Ans: (C)
Cyclone
Q. Which one of the following regions of the U.S.A. is known as ‘Tornado Alley’?
(A) Atlantic Seaboard
(B) Pacific Coast
(C) Mississippi Plains
(D) Alaska
Ans: (C)
Q. The Tornadoes are very strong tropical cyclones originating in
(A) Caribbean Sea
(B) China Sea
(C) Arabian Sea
(D) Black Sea
Ans: (A)