More Questions on Atmosphere
- Q. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________
A)Decreases the relative humidity
B)Raises the absolute humidity
C)Produces no change in relative humidity
D)Increases the relative humidity
Answer: Decreases the relative humidity
- Q. In which layer, temperature increases dramatically?
A)Stratosphere
B)Ionosphere
C)Exosphere
D)Troposphere
Answer: Ionosphere
- Q. At which height, the gaseous surrounding has covered the Earth’s atmosphere?
A)200km
B)100km
C)150km
D)300km
Answer: 300km
- Q. The cold and dense air blowing down the mountain slope during the night is known as ________
A)Katabatic wind
B)Anabatic wind
C)Khamsin
D)Harmattan
Answer: Katabatic wind
- Q. Which one among the following local winds is not characteristically hot and dry?
A)Khamsin
B)Sirocco
C)Mistral
D)Chinook
Answer: Mistral
- Q. In the atmosphere of the primitive earth there was no ________
A)Nitrogen
B)Oxygen
C)Carbon dioxide
D)Ammonia
Answer: Oxygen
- Q. Winds blow ________
A)From a region of low pressure to a region of high pressure
B)In regions of low pressure
C)From a region of high pressure to a region of low pressure
D)In regions of high pressure
Answer: From a region of high pressure to a region of low pressure
- Q. Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
A)Cirrostratus
B)Altocumulus
C)Cirrus
D)Nimbostratus
Answer: Nimbostratus
- Q. What causes snowfall?
A)When condensation takes place in form of fog and precipitation occurs as flakes
B)When condensation takes place below 0° C and precipitation occurs in the form of flakes
C)When rain freezes into snow-flakes while passing through the atmosphere
D)When the air temperature is much lower than surface temperature
Answer: When condensation takes place below 0° C and precipitation occurs in the form of flakes
- Q. Which of the following statements is wrong?
A)Roughly V-shaped isobar system with a low pressure at the centre represents a trough
B)Roughly circular isobar system with a high pressure at the centre represents an anticyclone
C)Roughly circular isobar system with a low pressure at the centre represents a cyclone
D)Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
Answer: Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
- Q. Why the Earth is having its own atmosphere?
A)Gravity
B)Winds
C)Clouds
D)Rotation of the Earth
Answer: Gravity
- Q. Consider the following statements regarding general characteristics associated with tropical cyclones 1. Tropical cyclones move with very low velocity over the oceans but become strong while moving over the land areas. 2. They are confined to a particular period of the year (mainly summer) and normally move from east to west. 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. 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. Which of the following statements is/are correct? 1. Cyclone is a low pressure system. 2. The wind movement is clockwise in the cyclone of northern hemisphere. Select the correct answer using the code given below ________
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: Both 1 and 2
- Q. Which are of the following is wrongly characterised?
A)Sirocco – Sahara – spring - hot
B)Chinook- Canada - winter - warm
C)Khamsin – Egypt – spring - hot
D)Mistral - Rhone Valley - summer – cold
Answer: Mistral - Rhone Valley - summer – cold
- Q. Agents of fog formation do not include ________
A)Winter season
B)High relative humidity
C)Diurnal temperatures of short ranges
D)Rapid radiation
Answer: Diurnal temperatures of short ranges
- Q. The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is ________
A)Troposphere, Stratosphere, Mesosphere, Ionosphere
B)Troposphere, Stratosphere, Ionosphere, Mesosphere
C)Stratosphere, Troposphere, Ionosphere, Mesosphere
D)Stratosphere, Troposphere, Mesosphere, Ionosphere
Answer: Troposphere, Stratosphere, Mesosphere, Ionosphere
- Q. The total number of layers above Earth are
A)2
B)4
C)5
D)3
Answer: 5
- Q. What is the percentage of Nitrogen in atmosphere of the Earth?
A)78.03
B)0.94
C)0.03
D)85.02
Answer: 78.03
- Q. Which one of the following layers of the atmosphere is responsible for the deflection of radio waves?
A)Mesosphere
B)Troposphere
C)Stratosphere
D)Ionosphere
Answer: Ionosphere
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