Q. Countries favourably influenced by Westerlies are ________
A)New Zealand B)Western Europe, British Columbia and East of U.S.A. C)South-West Africa and South Chile D)All of these
Answer: All of these
Q. The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth’s surface is called ________
A)Sleet B)Fog C)Hail D)Snowfall
Answer: Sleet
Q. Which of the following is a cold wind?
A)Chinook B)Buran C)Foehn D)Sirocco
Answer: Buran
Q. Water vapour beyond the dew point results in ________
A)Condensation B)Precipitation C)Hailstorm D)Formation of ice
Answer: Condensation
Q. Venus has atmosphere made up of
A)Helium B)Ammonia C)Carbon dioxide D)Hydrogen
Answer: Carbon dioxide
Q. The zone of Earth’s atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as
Q. Which of the following is/are correct in matching the layer of atmosphere and its characteristic ? I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth’s surface IV. Mesosphere : Aurorae
A)II and III B)I, II, III and IV C)I, II and IV D)I, II and III
Answer: I, II and III
Q. Which of the following depletion results in the increase in the UV radiation on the Earth?
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)Both 1and 2 B)1 only C)2 only D)Neither 1 nor 2
Answer: 2 only
Q. Land masses are heated and cooled much faster than water bodies. Identify the true statements in this regard: I. Land gets heated by conduction II. Water has higher specific heat III. Only the surface layers of water are heated IV. Water gets heated by convection
A)I and IV B)I, II and III C)II and III D)I, II and IV
Answer: I, II and IV
Q. Arrange the following gases of the atmosphere in increasing order by volume: I. Nitrogen II. Oxygen III. Carbon dioxide IV. Argon
A)III, IV, II, I B)I, II, III, IV C)I, II, IV, III D)IV, III, II, I
Answer: III, IV, II, I
Q. The atmospheric layer farthest from the Earth’s surface is known as
Q. Which of the following are true with regard to temperature control of the atmosphere of a given place? I. The major temperature contrasts on earth’s surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter
A)I and II B)I, III and IV C)II, III and IV D)II and IV
Answer: I, III and IV
Q. Consider the following statements: 1. Mistral is a cold wind blowing in North America. 2. Sirocco is a hot dry wind blowing across the North African coast. Which of the statement(s) given above is/are correct?
A)Both 1 and 2 B)1 only C)2 only D)Neither 1 nor 2
Answer: 2 only
Q. Which of the following colour types do not indicate fair or fine weather?
A)Altocumulus B)Cirrus C)Cumulus D)Cumulonimbus
Answer: Cumulonimbus
Q. An important gas in the atmosphere that absorbs sun’s ultraviolet rays is