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Atmosphere MCQ Question and Answer | Geography MCQ Question

Atmosphere MCQ Questions and answers with easy explanations. Geography section provides you all type of mcq questions on Atmosphere with explanations. Atmosphere MCQ is important for exams like IBPS, SCC, UPSC, NEET etc. Page-9 section-1

Each section contains 100 MCQs on Atmosphere .
81
The cold and dense air blowing down the mountain slope during the night is known as ________
Discuss
Answer & Solution
Answer: Option C
Solution:
The cold and dense air blowing down the mountain slope during the night is known as Katabatic wind. Katabatic wind, also called downslope wind, or gravity wind, wind that blows down a slope because of gravity. It occurs at night, when the highlands radiate heat and are cooled.
82
The layer of atmosphere which reflects radio waves is
Discuss
Answer & Solution
Answer: Option A
Solution:
The layer of the atmosphere that reflects radio waves is the ionosphere. That is because there are gas particles in the ionosphere that are ionized, or that carry an electrical charge. The ionosphere is a layer which includes the thermosphere and part of the mesoshere and exosphere.
83
Venus has atmosphere made up of
Discuss
Answer & Solution
Answer: Option B
Solution:
The atmosphere of Venus is made up almost completely of carbon dioxide. It also includes small doses of nitrogen and clouds of sulfuric acid.
84
The core of the Earth is also known as
Discuss
Answer & Solution
Answer: Option C
Solution:
The inner most layer of the earth is called the “Core or Barysphere”. It is otherwise known as NIFE, because of the presence of Nickel and Ferrous (iron). This layer produces earth's magnetic field.
85
The capacity of the Atmosphere to hold water vapour
Discuss
Answer & Solution
Answer: Option A
Solution:
The capacity of the Atmosphere to hold water vapour increases as the temperature increases. As air temperatures rise, there is an increase in the ability of the air to hold moisture. At 80° F the capacity of air increases to where it can hold 21.537 g/kg of water vapor.
86
Northern part of Australia is typified by which one of the following?
Discuss
Answer & Solution
Answer: Option D
Solution:
The northern part of Australia's Northern Territory (NT) has a tropical monsoonal climate. There is a dry season and a wet season. The dry season from May to October is when most tourists visit. The days are sunny and the evenings are cool. The humidity is low with an average daily temperature around 32°C.
87
Mist is a result of which one of the following?
Discuss
Answer & Solution
Answer: Option A
Solution:
Mist is a thin fog resulting from condensation in the air near the earth’s surface.
88
The instrument used for measuring relative humidity in air is ________
Discuss
Answer & Solution
Answer: Option A
Solution:
A hygrometer is a weather instrument used to measure the amount of humidity in the atmosphere.
89
The hot dry local winds that blow on the eastern side of the Alps Mountain are known as ________
Discuss
Answer & Solution
Answer: Option B
Solution:
The hot dry local winds that blow on the eastern side of the Alps Mountain are known as Foehn. Foehn, German Föhn, warm and dry, gusty wind that periodically descends the leeward slopes of nearly all mountains and mountain ranges.
90
The contact of two air masses differing sharply in humidity originates:
Discuss
Answer & Solution
Answer: Option C
Solution:
The contact of two air masses differing sharply in humidity originates temperate cyclones. Temperate Cyclones also called mid-latitudinal cyclones or extra tropical cyclones are formed due to interaction of air masses of different temperature.