Atmosphere Geography : Top 100 GK MCQ With Free Exam Geography SET :-9

Q11. The most important factor in thunderstorms development is __

(A) Atmospheric stability
(B) Atmospheric instability
(C) Abundance of moisture
(D) Temperature inversion

Answer: Atmospheric instability

Q12. The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation ?

1. There are no clouds or water vapour in the lower stratosphere.

2. There are no vertical winds in the lower stratosphere.

Which of the statements given above is/are correct in this context ?

(A) 1 only
(B) 2 only
(C) Both 1 and 2
(D) Neither 1 nor 2

Answer: Both 1 and 2

Q13. At low elevation which among the following clouds are to be found ?

(A) Cirrus
(B) Nimbus
(C) Cumulus
(D) Stratus

Answer: Nimbus

Q14. What is the percentage of Nitrogen in atmosphere of the Earth ?

(A) 0.94
(B) 0.03
(C) 78.03
(D) 85.02

Answer: 78.03

Q15. What is approximately the quantum of the pressure exerted by the atmosphere at sea level ?

(A) One kg per sq km
(B) One kg per sq mtr
(C) Five kg per sq cm
(D) Five kg per sq mtr

Answer: One kg per sq mtr

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Q16. The hot and dry winds that help in the ripening of grapes in the Alps region is __

(A) Chi nook
(B) Foehn
(C) Mistral
(D) Roaring Forties

Answer: Foehn

Q17. Which of the following is/are characteristic of a depression in the southern hemisphere ?

I. It is a mass of air whose isobars form an oval or circular shape

II. Pressure is high in the centre and decreases towards the outside

III. Air moves anti-clockwise

(A) I only
(B) II only
(C) I and III
(D) All three

Answer: I only

Q18. Countries favourably influenced by Westerlies are __

(A) Western Europe, British Columbia and East of U.S.A.
(B) South-West Africa and South Chile
(C) New Zealand
(D) All of these

Answer: All of these

Q19. Which of the following is especially true of anticyclones in the southern hemisphere ?

(A) The air moves in a circular manner
(B) Pressure increases from the outside to the centre
(C) They often form over continents
(D) The air moves in an anti-clockwise direction

Answer: The air moves in an anti-clockwise direction

Q20. Choose the correct option with the correct sequence of the layers of atmosphere

(A) Mesophere, Ionosphere, Exosphere, Troposphere, Stratosphere
(B) Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere
(C) Exosphere, Troposphere, Ionosphere Mesosphere, Stratosphere
(D) Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere

Answer: Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere