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- 1. Multiple Choice
A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room?
Near the door
On the floor
On any wall
On the ceiling
- 2. Multiple Choice
Figure shows a child blowing air with a straw near the opening of another straw which has its other end in a soft drink bottle. It was observed that the level of the soft drink in the straw rises up as soon as air is blown over its open end. Which one of the following best explains the reason for rise in level of the drink?
Slowing of air decreases pressure over the opening of the straw.
The straw of the soft drink bottle collapses when air is blown over its open end.
Blowing of air warms up the air inside the straw.
Blowing of air increases the pressure on the surface of soft drink in the bottle.
- 3. Multiple Choice
Following are precautions one must take in case a storm is accompanied by lightning.
(i) Do not take shelter under a tree.
(ii) Do not take shelter under an umbrella with a metallic end.
(iii) Do not take shelter in open garages, storage sheds, etc.
(iv) Do not take shelter in a bus in the open. Which one of these is not correct?
(i)
(ii)
(iii)
(iv)
- 4. Multiple Choice
Which of the following place is most likely to be affected by a cyclone?
Mumbai
Puri
Goa
Gogamukh
- 5. Multiple Choice
A curtain is hanging at the entrance of a room. A long corridor runs at right angles to the door, that is parallel to the curtain. If a strong wind blows along the corridor, the curtain will
get pushed inside the room.
get pushed outside the room.
get collected towards one end/swirled.
remain unaffected.
- 6. Fill in the Blank
The moving air is called_____.
- 7. Multiple Choice
The winds from oceans carry water and bring rain are called.....
typhon
monsoon
cyclone
none of these
- 8. Multiple Choice
pick odd one out
Cyclone
Hurricane
Monsoon
Typhoon
- 9. Multiple Choice
Air moves from the region where the pressure is ________________ to the region where pressure is _________________.
High, medium
High, low
Low, high
Medium, high
- 10. Multiple Choice
Typhoon is the name given to thunderstorm by this country
American continent
Russia
India
Japan
- 11. Open Ended
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