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SAI International School
Class VII
Home Assignment
Subject: Physics
Ch-Wind, Storm and Cyclones
Subtopic: Cyclone

For Assertion & Reason question follow the following directions.

DIRECTION: Each of these questions contains an Assertion followed by Reason. Read them carefully and answer the
question on the basis of following options. You have to select the one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.

Any one option is correct. Marks
1. Cyclonic storms weakened after reaching the land due to 1
a) Shortage of moisture on land as compared to ocean.
b) Lots of human population on the land.
c) Friction of air with land reduces its speed
d) Both (a) and(c)

2. The factors which contribute in development of Cyclones are 1
1. Humidity
2. Temperature
3. Wind direction
4. Wind speed
Choose the correct option:
a) 1 and 2 only
b) 1 and 3 only
c) 1,2,3 and 4
d) None of the above

3. Choose the precaution not to be taken inside the house during cyclones. 1
a) Do not take shelter under trees because they may get uprooted due to
strong winds.
b) Keep an emergency medical kit at home.
c) Store enough food materials and drinking water in waterproof bags or
covered containers.
d) Stay away from open doors and windows.

4. The impact of cyclones on land are 1
1. It causes floods.
2. Uproots of trees
3. Collapses of houses.
4. Rise in price of boating or sailing.