Question

mcqs 1. The paper ball kept near the mouth of a plastic bottle will be pushed out because
a. the air pressure inside the bottle is same as that at the mouth
b. the air pressure inside the bottle is more than that at the mouth
c. the air pressure inside the bottle is less than that at the mouth
d. the pressure inside and outside the bottle same.
2. Increased wind speed is accompanied by
a. no change in temperature b. Reduced pressure c. increased pressure d. No
change in pressure
3. Air moves faster between two places when the pressure difference between the place is
a. less b. zero c. More d.equal to the atmospheric pressure
4. Warm air is ___________than cold air
a. Heavier b. lighter c. no difference in weight
d. very much lighter
5. The centre of a cyclone is a calm area and is called the _________of the storm.
a. eye b. Focus c. Centre d. Radius
6. A cyclone is called a________in the American Continent.
a. Hurricane b. Typhoon c. Tornado d. Thunderstorm
7. A cyclone is called a____________in Philippines and Japan.
a. Hurricane b. Typhoon c. Tornado d. Thunderstorm
CBSE

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8. A dark funnel shaped cloud
that reaches from the sky to the ground is called a
a. Hurricane b. Typhoon c. Tornado d. Thunderstorm
9. The instrument that measures the wind speed in a cyclone is
a. Anemometer b. Barometer c. Thermometer d. Ammeter
10. The change in shape of a hot tin can when pored with cold water on it is due to the
a. pressure inside the can is less than that outside
b. pressure inside the can is more than that outside
c. pressure outside the can is same as that inside
d. Pressure inside the can is equal to the atmospheric pressure
II. Match the items given in Column I with one or more items of Column II.

Column I Column II

(1) Strom (a) Uneven heating of earth surface
(2) Cyclone (b) Negatively charged clouds meet with positively charged clouds.

(3) Floods (c) Atmospheric pressure difference of two places.
(4) Wind (d) Submergence of large area under water.
(5) Thunder (e) Violent storms with high speed wind.

III. Fill in the blanks with the given words
(i) Air around us exerts ___________ in all directions. (pressure/temperature)
(ii) Winds are generated due to ___________ heating on earth. (uneven/even)
(iii) A very strong wind is called___________. (breeze/storm)

Answer 1

III) I) pressure

II) uneven

IIi) storm

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