NCERT Solutions for Chapter: Wind, Storm and Cyclone, Exercise 1: MULTIPLE CHOICE QUESTIONS

Fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room? 

Four schematic diagrams are shown to depict the direction of the sea breeze. Which of them gives the correct direction?

The 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 the rise in the level of the drink?

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? 

Which of the following places is most likely to be affected by a cyclone? 

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