Here we are providing Class 7 Science Objective Chapter – 8 Winds, Storms and Cyclones because its very important for Class 6 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 7 Science Objective Chapter – 8 Winds, Storms and Cyclones is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class Class 7 Science Objective Chapter – 8 Winds, Storms and Cyclones 100+ questions so that students practice more and more. If you want class wise Notes Then Click Here
Class 7 Science Objective Chapter – 8 Winds, Storms and Cyclones
1. Odisha was hit by a cyclone in the year
( A ) 1998
( B ) 1999
( C ) 2000
( D ) none of these
Ans – ( B )
2. In which year was Orissa hit by a cyclone?
( A ) 1999
( B ) 2000
( C ) 2001
( D ) 2004
Ans – ( A )
3.Winds currents generated by uneven heating between the equator and the:
( A ) Moon
( B ) Poles
( C ) Sun
( D ) Stars
Ans – ( B )
4. Cyclone warning is issued
( A ) 20 hrs in advance
( B ) 12 hrs in advance
( C ) 24 hrs in advance
( D ) none of these
Ans – ( C )
5. Leaves of trees, banner or flags flutter when wind is blowing. Why?
( A ) Air occupies space
( B ) Air is a mixture of gases
( C ) Air exerts pressure
( D ) Air is colourless
Ans – ( C )
6. Smoke is hotter and lighter than:
( A ) water
( B ) heat
( C ) air
( D ) none of these
Ans – ( C )
7. Cyclones can be
( A ) destructive
( B ) useful
( C ) both ( A ) and (b)
( D ) none of these
Ans – ( A )
8. 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?
( A ) (i)
( B ) (ii)
( C ) (iii)
( D ) (iv)
Ans – ( D )
9. The India Meteorological department forecasts cyclones with the help of:
( A ) Rohini satellite
( B ) Aryabhatta satellite
( C ) INSAT satellite
( D ) None of these
Ans – ( D )
10. Wind currents are generated due to
( A ) uneven heating on the earth
( B ) even heating on the earth
( C ) cooling on the earth
( D ) none of these
Ans – ( A )
11. Which of the following places is most likely to be affected by a cyclone?
( A ) Mumbai
( B ) Puri
( C ) Goa
( D ) Porbandar
Ans – ( B )
12. The heated air that rises up gets cooled and sinks which cause the:
( A ) conduction currents
( B ) radiation
( C ) convection currents
( D ) none of these
Ans – ( C )
13. A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room? (NCERT Exemplar)
( A ) Near the door
( B ) On the floor
( C ) On any wall
( D ) On the ceiling
Ans – ( D )
14. Hurricane is the name of cyclone in
( A ) American continent
( B ) Japan
( C ) Both ( A ) and (b)
( D ) None of these
Ans – ( A )
15. The winds from oceans carry water and bring rain. These winds are called
( A ) typhoon
( B ) monsoon
( C ) cyclone
( D ) none of these
Ans – ( B )
16. What is a cyclone?
( A ) Winds from the oceans carrying water
( B ) Very low pressure system with very high speed winds revolving around it
( C ) Dark funnel shaped cloud that reaches from the sky to the ground
( D ) None of these
Ans – ( B )
17. A natural hazard causing destruction is called a:
( A ) natural disaster
( B ) cyclone
( C ) thunderstorm
( D ) none of these
Ans – ( A )
20. Pick the odd one out
( A ) Cyclone
( B ) Hurricane
( C ) Monsoon
( D ) Typhoon
Ans – ( C )
21. Tornado reaches
( A ) from the oceans to the plane
( B ) from the ground to the sky
( C ) from the sky to the ground
( D ) none of these
Ans – ( C )
22. Which of the following natural disasters is characterized by thunder and lightning ?
( A ) Drought
( B ) Flood
( C ) Thunderstorm
( D ) Cyclone
Ans – ( B )
23. A cyclone warning can be issued
( A ) 48 hours in advance
( B ) 12 hours in advance
( C ) 6 hours in advance
( D ) 24 hours in advance
Ans – ( D )
24. Odisha was hit by a cyclone in the year
( A ) 1998
( B ) 1999
( C ) 2000
( D ) none of these
Ans – ( B )
25.A violent tornado can travel at a speed of about
( A ) 300 km/h
( B ) 100 km/h
( C ) 50 km/h
( D ) 150 km/h
Ans – ( A )
26. How are sea and land breezes caused?
( A ) Through convection currents
( B ) Through cyclones
( C ) Through rains
( D ) Through conduction
Ans – ( A )
27.An alternative name of natural disaster is:
( A ) natural calamity
( B ) storm
( C ) cyclone
( D ) tornado
Ans – ( A )
28.The west coast of India is
( A ) less vulnerable to cyclonic storms
( B ) more vulnerable to cyclonic storms
( C ) not vulnerable to cyclonic storms
( D ) none of these
Ans – ( A )
29.An intense whirl in the atmosphere with very strong winds in known as:
( A ) natural calamity
( B ) storm
( C ) cyclone
( D ) tornado
Ans – ( C )
30.Which one is odd?
( A ) Hurricane
( B ) Typhoon
( C ) Cyclone
( D ) Monsoon
Ans – ( D )
31.Which of the following States of India is prone to be hit by a cyclone ?
( A ) Orissa
( B ) Haryana
( C ) Uttar Pradesh
( D ) Rajasthan
Ans – ( A )
32.A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room?
( A ) Near the door
( B ) On the floor
( C ) On any wall
( D ) On the ceiling
Ans – ( D )
33.The centre of cyclone is a
( A ) calm area
( B ) moving area
( C ) both ( A ) and (b)
( D ) none of these
Ans – ( A )
34.When we go up in the atmosphere, the air pressure:
( A ) increases
( B ) reduces
( C ) both ( A ) and (b)
( D ) none of these
Ans – ( B )
35.The warm air is
( A ) lighter than the cold air
( B ) heavier than the cold air
( C ) equal to the weight of cold air
( D ) none of the above
Ans – ( A )
36.A cyclone is a:
( A ) violent storm
( B ) weak storm
( C ) slow
( D ) none of these
Ans – ( A )
37.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
( A ) get pushed inside the room.
( B ) get pushed outside the room.
( C ) get collected towards one end/swirled.
( D ) remain unaffected.
Ans – ( B )
38.What step is to be taken for helping neighbours during cyclones ?
( A ) Moving them to cyclone shelters
( B ) Shifting their household properties to safer places
( C ) Providing them medical aid
( D ) All of the above
Ans – ( D )
39.Increased wind speed
( A ) does not affect air pressure
( B ) reduces air pressure
( C ) increases air pressure
( D ) none of the above
Ans – ( B )
40.How many hours in advance cyclone chart in issued of expected storms by satellites and radars ?
( A ) 72
( B ) 48
( C ) 96
( D ) 12
Ans – ( B )
41.Air
( A ) exerts pressure
( B ) does not exert pressure
( C ) does not affect anything anyway
( D ) none of these.
Ans – ( A )
42.A disaster fell on Orissa in India on:
( A ) 22 Oct., 1999
( B ) 29 Oct., 1999
( C ) 18 Oct., 1999
( D ) None of these
Ans – ( C )
43.An instrument that measures the wind speed is called
( A ) manometer
( B ) anemometer
( C ) ammeter
( D ) speedometer
Ans – ( B )
44.Second cyclone hit Orissa on:
( A ) 22 Oct., 1999
( B ) 29 Oct., 1999
( C ) 18 Oct., 1999
( D ) None of these
Ans – ( B )
45.When there is a thunderstorm, we should
( A ) go to the beach
( B ) take shelter indoors
( C ) take shelter under a tree
( D ) none of these
Ans – ( B )
46.The number of homeless people hit by cyclone was:
( A ) about 30,000 people
( B ) about 60,000 people
( C ) about 80,000 people
( D ) about 70,000 people
Ans – ( D )
47.The eye of a cyclone is
( A ) cloudy and highly stormy
( B ) full of strong winds
( C ) calm and cloudless
( D ) site with high atmospheric pressure
Ans – ( C )
48.Which modern technologies have made easier to monitor cyclones?
( A ) Radar and satellites
( B ) Anemometer
( C ) Radio and Television
( D ) Television and satellites
Ans – ( A )
49.In the American continent, a cyclone is called a
( A ) Hurricane
( B ) Typhoon
( C ) Tornado
( D ) Thunderstorm
Ans – ( A )
50.When is a cyclone warning issued
( A ) 48 hours in advance
( B ) 32 hours in advance
( C ) 24 hours in advance
( D ) 42 hours in advance
Ans – ( C )
51.The cyclone alert is announced with the help of a
( A ) satellite
( B ) sun
( C ) moon
( D ) star
Ans – ( A )
52.What can be the maximum speed of tornado ?
( A ) 30 km/hr
( B ) 300 km/hr
( C ) 3000 km/hr
( D ) 3 km/hr
Ans – ( B )
53.The winds from the oceans which carry water and bring rain are called
( A ) cyclone winds
( B ) typhoon winds
( C ) monsoon winds
( D ) none of these
Ans – ( C )
54.We nil air into bicycle tubes to keep the tyre:
( A ) tight
( B ) loose
( C ) heavy
( D ) big
Ans – ( A )
55.A dark funnel-shaped cloud that reached from sky towards ground is called a
( A ) cyclone
( B ) tornado
( C ) hurricane
( D ) typhoon
Ans – ( B )
56.Air has:
( A ) force
( B ) force when it is cold
( C ) no force
( D ) force when it is hot
Ans – ( A )
57.A cyclone in the Philippines is called
( A ) Tornado
( B ) Hurricane
( C ) Typhoon
( D ) Thunderstorm
Ans – ( C )
58.When a balloon deflates then:
( A ) there is low sound
( B ) there is loud sound
( C ) no sound
( D ) none of these
Ans – ( B )
59.A cyclone alert is issued around
( A ) 18 hours in advance
( B ) 24 hours in advance
( C ) 32 hours in advance
( D ) 42 hours in advance
Ans – ( D )
60.Hot air compared to cold air is:
( A ) heavy
( B ) lighter
( C ) same
( D ) none of these
Ans – ( B )
61.Which of the following is the coldest location on the earth?
( A ) 30° latitude
( B ) 60° latitude
( C ) Poles
( D ) Equator
Ans – ( C )
62.Speed winds are accompanied by:
( A ) increased air pressure
( B ) reduced air pressure
( C ) there is no change in air pressure
( D ) none of these
Ans – ( B )
