Winds, Storms and Cyclones Worksheet-1

Winds, Storms and Cyclones Worksheet-1

1. A tornado is

(a) Uneven heating between two regions

(b) A violent, twisting funnel of wind

(c) Strong circulatory winds in the tropical region

(d) None of these

2. Wind currents are generated due to

(a) Shape of earth                        (b) Sea breeze

(c) Thunderstorm                        (d) Cyclone

3. Which of the following will rise the highest?

(a) Air at 10°C                               (b) Air at 40°C

(c) Air at 20°C                              (d) Air at –5°C.

4. High speed winds are accompanied by

(a) Increased pressure                (b) Reduced pressure

(c) Water vapour                          (d) Static electricity

5. How does cyclone decrease the fertility of the soil in the coastal areas?

(a) By flooding the land with saline water

(b) By dissolving soil and rocks

(c) By increasing the water table of the place

(d) By decreasing the water table of the place

6. Match the columns and select the correct option from the codes given below.

          Column I                                        |        Column II

A. Wind carrying water                        |        1. Thunderstorms

B. Dark funnel shaped cloud               |        2. Tornado

C. Moving air                                          |        3. Monsoon

D. Develop in India very frequently   |        4. Wind

(a) A → (3); B → (2); C → (4); D → (1)

(b) A → (2); B → (4); C → (1); D → (3)

(c) A → (4); B → (1); C → (3); D → (1)

(d) A → (1); B → (2); C → (3); D → (4)

7. Select the correct statement.

(a) In winter, the winds flow from the land to the ocean

(b) The coastline of India is not vulnerable to cyclones

(c) A cyclone is formed by a very high-pressure area with very high speed winds        revolving around it

(d) None of these

8. The instrument that measures the wind speed is called

(a) Ammeter                                  (b) Anemometer

(c) Seismograph                           (d) Odometer

9. During a cyclone air moves from

(a) Region of high pressure to low pressure

(b) Region of low pressure to high pressure

(c) Region of low velocity to high velocity

(d) Region of high pressure to low velocity

10. Low atmospheric pressure exists on the earth in which of the following latitudes?

(a) At the equator only

(b) At 30° N and S

(c) At the poles

(d) At the equator and at 60° N and S

11. Which of the following is safest way to protect yourself from lightning?

(a) Run to an open field

(b) Open an umbrella for cover

(c) Take shelter under a tree

(d) Squat low on ground

12. Air moves from

(a) The region of low pressure to high pressure

(b) The region of high pressure to low pressure

(c) Air does not depend upon the pressure

(d) Air does not move

13. The winds from oceans carry water and bring rain are called

(a) Cyclone                                     (b) Typhoon

(c) Monsoon                                  (d) None of these

Answer Key:

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