SYALLABUS & QUESTION PAPER'S: 50 objective type questions for students on Geography

(Humidity & Precipitation)

1. Less dew is formed on cloudy nights because

(a) Clouds absorb the falling dew

(b) Clouds scatter moisture

(d) On cloudy nights the radiation takes place very quickly

2. When the relative humidity is 50 percent and air temperature is 30°C a cooling of air mass (N.D.A. 90)

(a) Raises the absolute humidity

(b) Produces no change in relative humidity

(d) Increases the relative humidity

3. When it rains, the relative humidity in the atmosphere is (B.Ed. 1993)

(a) 0 percent (b) 50 percent

4. Clouds with vertical development are known as (Stenographer's Exam, 1994)

(a) Cirrus (b) Cumulonimbus

5. Arrange the following types of clouds in the increasing order of their heights:

1. Cumulus 2. Stratus 3. Cirrus 4. Nimbus (a) 1,3,2,4 (b) 2,4,1,3

6. The primary rainbow has an angular radius of

(a) 22 (b) 42°

7. Which of the following statements about convectional rainfall are true?

1. The areas of the world, having an equatorial type of climate, receive this kind of rainfall.

2. It is usually torrential and accompanied by thunder and lightning.

3. It is also known as 4 O' clock rain, (a) 1 and 2 (b) 2 and 3 (c) 1 and 3 (d) 1,2 and 3

8. The instrument used for measuring relative humidity in air is

(a) Hygrograph (b) Hydrograph

9. Which of the following is not a form of precipitation?

(a) Rainfall (b) Waterfall

10. Clear nights are colder than cloudy nights because of

(a) Precipitation (b) Condensation

11. Consider the following statements about Nimbus clouds:

1. These are thick dark - grey or black clouds

2. They are found at very low height

3. They bring sharp showers, and rumble with lightning and thunder

Which of the above statements are true?

(a) 1 and 2 (b) 2 and 3

12. Which of the following are forms of precipitation? (N.D.A. 1995)

1. Snow 2. Dew 3. Hail 4. Fog

Choose the correct answer from the codes given below:

(a) 1 and 2 (b) 1 and 3

13. A sudden fall in the barometric reading indicates

(a) Rain (b) Storm

14. The formation of fog occurs when

(a) Cool air blows over warm water

(b) Moist air meets cold surface of the earth

(d) Warm air meets cold surface of the earth

15. Hail storm occurs in summer season due to the formation of clouds called

(a) Cumulus (b) Cumulonimbus

16. The dense mass of small water drops on smoke or dust particles in the lower layers of the atmosphere is

(a) Hail (b) Frost

17. The lowest temperature to which air can be cooled by evaporating water into it is called (I.F.S. 1990)

(a) Wet bulb temperature (b) Potential temperature

18. Which type of rain is caused by ascent of moisture laden air along a mountain?

(a) Convectional rainfall (b) Orographic rainfall (c) Cyclonic rainfall (d) All of the above

19. Relative humidity of the atmosphere is directly affected by

(a) Change in atmospheric pressure

(b) Change in atmospheric temperature

(d) None of these

20. Atmospheric humidity is measured by (N.D.A. 1994)

(a) Psychrometer (b) Anemometer

21 The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth's surface is called

(a) Fog (b) Hail

22. Cyclonic rainfall largely occurs in

(a) Egypt (b) India (c) U.K. (d) Mexico

23. When rain falls through a cold layer of air near the earth's surface, rain drops get frozen into ice. This type of precipitation is called

(a) Snowfall (b) Hailstones

24. The form of precipitation associated with strong convective currents in thunder storm?

(a) Fog (b) Snow

25. the Himalayas have snowline at 4300 m whereas in the Alps mountain, it is at 3000m. This is because the (C.D.S. 1994)

(a) Himalayas have denser forest cover

(b) Himalayas face the monsoon winds

(d) Himalayas are located in the lower latitudes

26. Which one of the following islands receives convectional rainfall?

(a) Cyprus (b) Sumatra

27. Which cloud is known a high cloud?

(a) Cirrus (b) Stratus (c) Nimbus (d) Cumulus

28. Frontal rain is caused by

(a) Convection currents

(b) Winds from sea

(d) Condensation of water evaporated frommountains

29. When moist air meets cold surface of earth, some of the water vapours condense on the particles of dust in air. It is called

(a) Dew (b) Fog

30. In the deserts the amount of rainfall per annum is

(a) less than 250cm (b) less than 50cm

31. Choose the incorrect statement:

(a) Capacity of air to hold moisture decreases with a rise in temperature of the air.

(b) The air pressure decreases with an increase in temperature.

(d) With an ascent of every 165 metres, the temperature is reduced by 1°C.

32. Match the following:

A. Cirrus clouds 1. Real rain clouds

B. Stratus clouds 2. Rainless clouds

C. Cumulus clouds 3. Cause drizzle

D. Nimbus clouds 4. Thunderclouds

A B C D A B C D

(a) 2 3 4 1 (b) 1 4 3 2

33. Which of the following terms is not connected with the study of climate?

(a) Dew Point (b) Flash Point (c) Hygrogram (d) Stevenson Screen

34. Precipitation results in

I. Rain 2. Cloud 3. Snow

(a) 1 only (c) 2 and 3 only

35. Humidity in air

(a) Is not affected by the change in atmospheric temperature

(b) Increases with increase in atmospheric temperature

(d) Does not show any consistent behaviour with the change in atmospheric temperature

36. Which of the following clouds is made up of tiny ice particles?

(a) Cumulus cloud (b) Stratus cloud (c) Cumulonimbus cloud (d) Cirrus cloud

37. The highest annual precipitation occurs in

(a) Canadian Shield (b) Congo basin (c) Siberian Plains (d) Amazon basin

38. Snow line is

(a) The altitude below which no snowfall occurs

(b) The altitude only above which the snowfall occurs and this snow melts during summer

(d) The altitude above which the snow melts regularly to give rise to perennial rivers

39. Which of the following is not a form of precipitation?

(a) Rainfall: (b) Snowfall (c) Fog (d) Hail

40. Precipitation takes place when

(a) The sky is overcast with clouds

(b) Temperature of moisture in air suddenly increases

(d) Winds begin to blow in a circular motion

41. The nature of the winter rainfall in north western India is

(a) Convectional (b) Orographic (c) Monsoohal (d) Cyclonic

42. Dew point is (N.D.A. 1991)

(a) Amount of actual water vapour present per unit volume of air.

(b) Incoming solar radiation.

(d) A temperature at which a given sample of air becomes saturated.

43. Which of the following types of rainfall is often accompanied with lightning and thunder?

(a) Orographic (b) Convectional

44. The type of clouds which is the thunder cloud and associated with heavy rain is

(a) Cumulonimbus (b) Cirrus

45. Which type of rainfall leads to the formation of the windward and the Leeward side?

(a) Cyclonic (b) Convectional

46. Which of the following types of rainfall occurs at places having continental type of climate?

(a) Convectional (b) Cyclonic

47. Water vapour beyond the dew point results in (N.D.A. 1994)

(a) Precipitation (b) Hailstorm

48. Convectional rainfall is common in (Asst. Grade, 1990)

(a) Tundra Region (b) Taiga Region

49. Scanty rainfall of less than 50cm per annum is received by

(a) The coastal areas in the warm temperate zone

(b) The eastern parts of the temperate lands

(d) The areas of equatorial regions

50. The amount of actual water vapour of air is known as (N.D.A. 1992)

(a) Absolute humidity (b) Dew point

ANSWERS

1. (c)2. (d) 3. (d) 4. (d) 5.(d) 6 (b) 7. (d) 8. (a) 9.(b) 10. (d) 11. (a) 12. (c) 13. (b) 14. (b) 15. (b) 16. (d) 17. (d)

18. (b) 19. (b) 20. (a) 21. (c) 22. (b)

^{23 (C) 24(c) 25(d) 26. (b) 27. (a) 28. (c)}

29. (b) 30. (a) 31. (a) 32. (a)

^{33 (b) 34 (b)} 35. (c)

36. (d) 37. (b) 38. (c) 39. (c) 40. (c) 41. (d) 42. (d) 43. (b)

44. (a) 45. (c) 46. (a) 47. (c) 48. (d) 49 (c) 50. (a)

50 objective type questions for students on Geography:

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50 objective type questions for students on Geography