Class 7 Science MCQ Chapter 8 Winds, Storms and Cyclones Solutions in English Medium, Class 7 Science Multiple Choice Question Answer in English to each chapter is provided in the list so that you can easily browse throughout different chapters Class 7 Science MCQ Chapter 8 Winds, Storms and Cyclones Notes and select need one.
Class 7 Science MCQ Chapter 8 Winds, Storms and Cyclones
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Winds, Storms and Cyclones
Chapter – 8
| MCQ |
1. Wind is not caused due to:
(a) Uneven heating between equator and poles.
(b) Air pressure.
(c) Due to uneven heating of land and water.
(d) Difference in humidity.
Ans: (d) Difference in humidity.
2. Increased wind speed:
(a) Increases air pressure.
(b) Does not affect air pressure humidity.
(c) Reduces air pressure.
(d) Lowers humidity.
Ans: (c) Reduces air pressure.
3. The centre of cyclones is called:
(a) Eye.
(b) Water spouts.
(c) Storm-surge.
(d) Head.
Ans: (a) Eye.
4. Tropical cyclones that originate in the China sea are:
(a) Hurricanes.
(b) Typhoons.
(c) Tornadoes.
(d) Cyclones.
Ans: (b) Typhoons.
5. Which of the following plays a major role in the formation of a thunderstorm?
(a) Conduction.
(b) Convection.
(c) Radiation.
(d) All of the above.
Ans: (b) Convection.
6. The winds from oceans carry water and bring rain are called:
(a) Cyclone.
(b) Typhoon.
(c) Monsoon.
(d) None of the above.
Ans: (c) Monsoon.
7. Which of the following places is likely to get affected by a cyclone?
(a) Delhi.
(b) Jaipur.
(c) Amritsar.
(d) Puri.
Ans: (d) Puri.
8. Formation of a thunderstorm requires:
(a) Moisture.
(b) Rapidly rising warm air.
(c) Sea breeze.
(d) All of the above.
Ans: (d) All of the above.
9. Which of the following contributes to the development of cyclones?
(a) Wind speed.
(b) Temperature.
(c) Humidity.
(d) All of the above.
Ans: (d) All of the above.
10. Precautions to be observed during a thunderstorm when you are inside:
(a) Do not sit near the open window.
(b) Do not operate any electrical appliance.
(c) Do not watch T.V.
(d) All of the above.
Ans: (d) All of the above.
11. Which one of the following places is unlikely to be affected by a cyclone?
(a) Chennai.
(b) Mangaluru (Mangalore).
(c) Amritsar.
(d) Puri.
Ans: (c) Amritsar.
12. A system of wind which moves away from the sea towards the land in the latitudes of 5° to 30° is called:
(a) Monsoon.
(b) Rain.
(c) Wind.
(d) None of the above.
Ans: (a) Monsoon.
13. In which year was Orissa hit by a cyclone?
(a) 1999.
(b) 2000.
(c) 2001.
(d) 2004.
Ans: (a) 1999.
14. Which of the following places is most likely to be affected by a cyclone?
(a) Delhi.
(b) Puri.
(c) Pune.
(d) Porbandar.
Ans: (b) Puri.
15. What happens to air when it is heated?
(a) It contracts.
(b) It rises and expands.
(c) It sinks.
(d) It remains the same.
Ans: (b) It rises and expands.
16. What causes wind to form?
(a) The movement of the earth.
(b) Uneven heating on the earth.
(c) The cooling of air.
(d) The rotation of the earth.
Ans: (b) Uneven heating on the earth.
17. What is the term for moving air?
(a) Air pressure.
(b) Temperature.
(c) Wind.
(d) Cloud.
Ans: (c) Wind.
18. What can high-speed winds and differences in air pressure cause?
(a) Rainbows.
(b) Cyclones.
(c) Fog.
(d) Snowfall.
Ans: (b) Cyclones.
19. How has monitoring cyclones become easier?
(a) By using weather balloons.
(b) By observing animal behaviour.
(c) With the help of satellites and radars.
(d) By tracking cloud patterns.
Ans: (c) With the help of satellites and radars.
20. What should be done to prepare for approaching cyclones?
(a) Wait until the cyclone arrives.
(b) Evacuate immediately.
(c) Plan in advance and be ready with defences.
(d) Rely on emergency services only.
Ans: (c) Plan in advance and be ready with defences.
21. A large cyclone is a violently rotating mass of air in the atmosphere ____ km high.
(a) 10 to 12.
(b) 12 to 25.
(c) 10 to 15.
(d) None of the above.
Ans: (c) 10 to 15.
22. The swift movement of falling water droplets along with the rising air creates lightning and sound. What is this event called?
(a) Storm.
(b) Rainy season.
(c) Thunderstorm.
(d) None of the above.
Ans: (c) Thunderstorm.
