ATMOSPHERE MCQS SET 03

ATMOSPHERE MCQS SET 03

21) Temperature generally decreases towards the poles because :
A) Air movement is generally towards the equator.
B) Cold polar air masses prevents surface heating of the land.
C) Cold surfaces do not absorb solar energy as readily as warm surfaces.
D) Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions.

Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions.
   
22) What is the correct sequence of the following zonal pressure belts?
1. Sub polar low
2. Equatorial low
3. Polar high
4. Subtropical high
Select the correct answer using the codes given below:
A) 2, 3, 1, 4
B) 1, 4, 2, 3
C) 2, 4, 1, 3
D) 1, 3, 2, 4

Answer: 2, 4, 1, 3
   
23) Which one of the following statements is correct?
A) Jet streams are best developed in winters
B) Jet streams have often developed oscillations
C) Jet streams greatly influence our surface weather
D) All the above three are correct in respect of jet streams

Answer: All the above three are correct in respect of jet streams
   
24) Arrange the following gases of the atmosphere in increasing order by volume :
I. Nitrogen
II. Oxygen
III. Carbon dioxide
IV. Argon

A) I, II, III, IV
B) I, II, IV, III
C) III, IV, II, I
D) IV, III, II, I

Answer: III, IV, II, I
   
25) 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
II. Only the surface layers of water are heated
IV. Water gets heated by convention
A) I, II and III
B) II and III
C) I and IV
D) I, II and IV

Answer: I, II and IV
26) When can one record the lowest temperature of air?
A) Just before sunrise
B) At midnight
C) At 3 a.m.
D) No fixed time

Answer: Just before sunrise
   
27) Which one of the following factors does not affect atmospheric pressure?
A) Altitude
B) Rotation of the Earth
C) Precipitation
D) Temperature

Answer: Precipitation
   
28) Consider the following statements :
1. Foehn is a very cold and dry wind with a high velocity and brings down the temperature below freezing point.
2. Mistral is a strong, gusty, dry and warm wind which develops on the leeward side of a mountain range.
Which of the statements given above is/are correct?
A) 1I only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2

Answer: Neither 1 nor 2
   
29) Consider the following statements:
1. The atmospheric pressure is more at the poles as compared to the equator
2. The annual range of temperature is more at the equator as compared to the poles.
Which of the statements given above is/are correct?
A) 1 only
B) 2 only
C) Both 1 and 2
D) Neither 1 nor 2

Answer: Neither 1 nor 2
   
30) Which of the following conditions is NOT necessary for precipitation to occur?
A) The air must be warm
B) The air must be saturated
C) The air must be cooled below its dew point
D) The air must contain hygroscopic particles

Answer: The air must be warm