Winds Storms and Cyclones MCQs and answers with FREE PDF

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1.Which of the following phenomena causes La Nina?
(a) Warm waters in the eastern and central Pacific
(b) Cooler waters in the eastern and central Pacific
(c) Both A and B
(d) Neither A nor B

2. Which of the following conditions is/are conducive for the formation of tropical cyclones?
1. large and continuous supply of warm and moist air.
2. large value of coriolis force.
3. inflow of air at upper level of atmosphere.
Select the correct answer using the codes given below.
a) 1 and 2 only
b) 1 only
c) 1 and 3 only
d) 1, 2 and 3

3. Which one of the following statement is incorrect?
(a) When air gets heated, it expands.
(b) when air gets cooled, it contracts.
(c) The warm air is heavier than cold air.
(d) Air moves from high pressure region to low pressure region.

4. The direction of airflow is also affected by Earth’s rotation. It is called ________.
(a) Coriolis Effect
(b) El nino Effect
(c) La Nina Effect
(d) Greenhouse Effect

5. An instrument used to study the speed of winds is called _________.
(a) manometer
(b) anemometer
(c) ammeter
(d) speedometer

6. The word has been derived from Arabic word ‘Mausam’ which means season. The word is ________.
(a) Baarish
(b) Monsoon
(c) El Nino
(d) Typhoon

7. Who among the following coined the phrase ‘Jet Stream’?
(a)  H. Seilkopf
(b) Wiley Post
(c) Herodotus
(d) Sir Gilbert Walker

8. Which one of the following is NOT recommended during Lightening or thunderstorm?
(a) Take Shelter in a bus or car.
(b) In a forest, seek shelter in a low area under a thick growth of small trees.
(c) Take shelter under isolated tree.(d) Get away from tractors and other metal farm equipment.

9. Equator is a region of _______ pressure while poles are regions of ______ pressure.
(a) high, low
(b) low, high
(c) low, low
(d) high, high

10. The eye of a cyclone is 
(a) cloudy and highly stormy.
(b) full of strong winds.
(c) calm and cloudless.

(d) site with high atmospheric pressure.

11. Who among the following studied the monsoon wind scientifically?
(a) Arabs
(b) English
(c) Portuguese
(d) Chinese

12. In which monsoon, the Sun shines vertically over the Tropic of Cancer resulting in high temperature and low pressure is still sufficiently high over Arabian Sea and Bay of Bengal?
(a) Winter Monsoon
(b) Summer Monsoon
(c) Retreating Monsoon
(d) All of the above

13. Consider the following statement (s).
I. Al Masudi was an Arab explorer from Baghdad, gave an account of the reversal of ocean currents and the monsoon winds over the north Indian plains.
II. Edmund Halley in 1686 explained that the monsoon is the resultant of the thermal contrasts between continents and ocean due to the their differential heating.
Which of the above statement (s) is/are correct about the mechanism of monsoon?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II

14. Which of the following statement is correct about the Inter-Tropical Convergence Zone (ITCZ)?
(a) ITCZ shifts only between 50° to 75° of latitude north or south of the equator
(b) It is a zone between the northern and southern hemisphere where winds blowing poleward from the mid latitudes and winds flowing from equator-ward the tropics meet.
(c)  It is also known as the Tropical Convergence Zone.
(d) It is a zone of convergence where the trade winds meet.

15. When wind speed increases, air pressures
(a) increases
(b) decreases
(c) remains constant
(d) none of these

16. Who among the following climatologists recognized interannual change in the tropical atmosphere as the Southern Oscillation (SO)?
A. H. Seilkopf
B. Wiley Post
C. Herodotus
D. Sir Gilbert Walker

17. Which of the following is related with the Southern Oscillation?
A. El Nino
B. Jet Stream
C. South-west monsoon
D. Western Disturbance

18. What is the name given to the wind blowing from sea to land?
(a) Thunderstorm
(b) Land breeze
(c) Sea breeze
(d) cyclone

19. With increase in temperature, atmospheric pressure ___________.
(a) increases
(b) decreases
(c) remains constant
(d) can decrease or increase

20. Which of the following theory named the meeting place of southeast trade winds in the Southern Hemisphere and northeast trade winds in the Northern Hemisphere as Inter-Tropical Convergence Zone?
A. Classical Theory
B. Air Masses Theory
C. Jet Stream Theory
D. El Nino Theory

21. Consider the following statement about tropical cyclone
1. It is characterised by a low-pressure centre.
2.    In this, counter clockwise wind flow in the Northern Hemisphere and clockwise wind flow in the Southern Hemisphere.
3.    It is warm core storm system.
Which of the above statement are correct?
(a)    1 and 2
(b)    1 and 3
(c)    2 and 3
(d)    All of these

22. The process of converting unconsolidated sediments into sedimentary rocks requires which of the following
1. Compaction
2. Re-crystallisation
3. Cementation
4. Weathering
Select the correct answer using the codes given below
(a) 1 and 2
(b) 2 and 3
(c) 1, 2 and 3
(d) All of these

23. Consider the following statement about the North-East Monsoon in India
1. They are retreating monsoon.
2. They are responsible for rainfall along the Coromandel coast of India.
3. They pick up moisture from the Bay of Bengal before rainfall.
Which of the above statements are correct?
(a) 1 and 3
(b) 2 and 3
(c) 1, 2 and 3
(d) 1 and 2

24. What is Karewas?
(a) Glacial deposits in Eastern Himalayas
(b) Glacial deposits in Kashmir Himalayas
(c) Alluvial deposits of western Himalayas
(d) It denotes the general alluvial deposits

25. Consider the statement below regarding the sub-tropical deserts in the world
1. These deserts are located along the West coast of the continents.
2. These are under the influence of sub-tropical high pressure belts.
3. These are also influenced by the movements of cold oceanic current along the coast.
Which of the above statements are correct?
(a) 1, 2 and 3
(b) 2 and 3
(c) 1 and 2
(d) 1 and 3

26. Upwelling is an oceanographic phenomenon that involves motion of dense, cooler and usually nutrient-rich water towards the ocean surface driven by?

(a) Wind
(b) Tides
(c) Volcanic activity
(d) Earthquake

27. Which of the following are the causes of upwelling in the oceans?
1. Wind
2. Coriolis force
3. Density shifts
4. Ekman transport
Select the correct answer using the codes given below
(a) 1 and 2
(b) 1 and 3
(c) 1, 2 and 4
(d) 2, 3 and 4

28. which of the following are the reasons for the formation of metamorphic rocks?
1. High temperatures and pressures at depth cause changes in mineralogy, texture and composition.
2. Changes take place in solid state by crystallisation and chemical reactions.
3. Temperature greater than 150? C, less than 400? C.
Select the correct answer using the codes gives below
(a) Only 1
(b) 1 and 2
(c) 2 and 3
(d) All of these

29. Consider the following conditions
1. Humid tropics with heavy rain and uninterrupted warmth.
2. Silica is removed and transported downward.
3. Iron and aluminium accumulate at the surface.
4. A porous and firm soil is left behind, rather than a soft and sticky one.
Which of the below soil forming processes is active in the above conditions?
(a) Podzolisation
(b) Laterisation
(c) Calcification
(d) Leaching

30. Consider the following factors causes an increase in salinity of ocean water
1. High temperature
2. High humidity
3. Pressure of winds
4. Presence of river mouths
Which of the statement(s) given above is/are correct?
(a) 1 and 3
(b) 1 and 4
(c) 1, 2 and 3
(d) All of these

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