Winds, Storms and Cyclones Worksheet-2

Winds, Storms and Cyclones Worksheet-2

1. During the formation of rain, when water vapour changes back to liquid in the form of rain drops

(a) Heat is absorbed

(b) Heat is released

(c) Heat is first absorbed and then released

(d) There is no exchange of heat

2. Earthing is provided in buildings to protect it from

(a) Lightning

(b) Leakage of electric current

(c) Cyclone

(d) Cyclone

3. Which of the following is the first sign of an approaching cyclone?

(a) Rains accompanied by lighting

(b) High temperature and humidity

(c) Cool breeze and rains

(d) Powerful water waves

4. A lightning conductor installed in a building

(a) Does not allow the lightning to fall on the building

(b) Repels the lightning

(c) Forces the lightning to fall in an area where there are no buildings

(d) Conducts electric charge to the ground when lightning strikes the building.

5. Typhoon is essentially

(a) A flood                                      (b) A cyclone

(c) Earthquake                              (d) None of these

6. On blowing air into balloon, the size of the balloon increases because

(a) Air exerts pressure

(b) Warm air rises up

(c) Air is stronger than balloon

(d) None of these

7. The factor which contribute to the development of cyclones is/are

(i)   Wind speed      (ii)  Temperature     (iii) Humidity

(a) Wind speed only

(b) Temperature & Humidity

(c) Wind speed & Humidity only

(d) All of these

8. A cyclone warning can be issued

(a) 6 hours in advance                (b) 12 hours in advance

(c) 24 hours in advance              (d) 48 hours in advance

9. A thunderstorm is accompanied by

(a) Lightning                                 (b) Cyclone

(c) Hurricane                                (d) Tornado

10. The weak zones around the boundaries of plates underneath earth, which are prone to slide and cause earthquake are commonly known as

(a) Fault zone                                (b) Eruption zone

(c) Explosive zone                        (d) Sliding zone

11. Development and movement of cyclones are studied by the

(a) Indian Postal Department

(b) Indian Forensic Department

(c) Indian Meteorological Department

(d) Central Investigation Department

12. Air exerts pressure in

(a) Downward direction only

(b) Upward direction only

(c) Sideways only

(d) All directions

Answer Key:

1. (b)
2. (a)
3. (d)
4. (d)
5. (b)
6. (a)
7. (d)
8. (d)
9. (a)
10. (a)
11. (c)
12. (d)