Class 7 Science Chapter 8 MCQs Questions With Answers NCERT
We have compiled the NCERT MCQ Questions for Class 7 Science Chapter 8 Winds, Storms and Cyclones with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 7 Science with Answers on a daily basis and score well in exams. Refer to the Winds, Storms and Cyclones Class 7 MCQs Questions with Answers here along with a detailed explanation.
Winds, Storms and Cyclones Class 7 MCQ
Choose the correct option.
Question 1.
Odisha was hit by a cyclone in the year
(a) 1998
(b) 1999
(c) 2000
(d) none of these
Answer
Answer: (b) 1999
Question 2.
Cyclone warning is issued
(a) 20 hrs in advance
(b) 12 hrs in advance
(c) 24 hrs in advance
(d) none of these
Answer
Answer: (c) 24 hrs in advance
Question 3.
Cyclones can be
(a) destructive
(b) useful
(c) both (a) and (b)
(d) none of these
Answer
Answer: (a) destructive
Question 4.
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
Answer
Answer: (a) uneven heating on the earth
Question 5.
Hurricane is the name of cyclone in
(a) American continent
(b) Japan
(c) Both (a) and (b)
(d) None of these
Answer
Answer: (a) American continent
Question 6.
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
Answer
Answer: (c) from the sky to the ground
Question 7.
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
Answer
Answer: (a) 300 km/h
Question 8.
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
Answer
Answer: (a) less vulnerable to cyclonic storms
Question 9.
Which one is odd?
(a) Hurricane
(b) Typhoon
(c) Cyclone
(d) Monsoon
Answer
Answer: (d) Monsoon
Question 10.
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
Answer
Answer: (d) On the ceiling
Question 11.
The centre of cyclone is a
(a) calm area
(b) moving area
(c) both (a) and (b)
(d) none of these
Answer
Answer: (a) calm area
Question 12.
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
Answer
Answer: (a) lighter than the cold air
Question 13.
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.
Answer
Answer: (b) get pushed outside the room.
Question 14.
Increased wind speed
(a) does not affect air pressure
(b) reduces air pressure
(c) increases air pressure
(d) none of the above
Answer
Answer: (b) reduces air pressure
Question 15.
Air
(a) exerts pressure
(b) does not exert pressure
(c) does not affect anything anyway
(d) none of these.
Answer
Answer: (a) exerts pressure
Question 16.
An instrument that measures the wind speed is called
(a) manometer
(b) anemometer
(c) ammeter
(d) speedometer
Answer
Answer: (b) anemometer
Question 17.
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
Answer
Answer: (b) take shelter indoors
Question 18.
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
Answer
Answer: (c) calm and cloudless
Question 19.
In the American continent, a cyclone is called a
(a) Hurricane
(b) Typhoon
(c) Tornado
(d) Thunderstorm
Answer
Answer: (a) Hurricane
Question 20.
The cyclone alert is announced with the help of a
(a) satellite
(b) sun
(c) moon
(d) star
Answer
Answer: (a) satellite
Question 21.
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
Answer
Answer: (c) monsoon winds
Question 22.
A dark funnel-shaped cloud that reached from sky towards ground is called a
(a) cyclone
(b) tornado
(c) hurricane
(d) typhoon
Answer
Answer: (b) tornado
Question 23.
A cyclone in the Philippines is called
(a) Tornado
(b) Hurricane
(c) Typhoon
(d) Thunderstorm
Answer
Answer: (c) Typhoon
Question 24.
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
Answer
Answer: (d) 42 hours in advance
Question 25.
Which of the following is the coldest location on the earth?
(a) 30° latitude
(b) 60° latitude
(c) Poles
(d) Equator
Answer
Answer: (c) Poles
Fill in the Blanks
Question 1.
The moving air is called ……………..
Answer
Answer: wind
Question 2.
Air exerts ……………..
Answer
Answer: pressure
Question 3.
High speed winds are accompanied by …………….. air pressure.
Answer
Answer: reduced
Question 4.
Air moves from the …………….. pressure region to the …………….. pressure region.
Answer
Answer: higher, lower
Question 5.
The warm air is …………….. than cold air.
Answer
Answer: lighter
Question 6.
Regions close to the equator get …………….. heat from the sun.
Answer
Answer: maximum
Question 7.
In summer, near the equator the land warms up ……………..
Answer
Answer: faster
Question 8.
In summer, winds flow from the …………….. towards the ……………..
Answer
Answer: oceans, land
Question 9.
In winter, winds flow from the …………….. towards the ……………..
Answer
Answer: land, oceans
Question 10.
The rising temperatures produce strong …………….. rising winds
Answer
Answer: upward
Question 11.
If the speed of the storm increases to above 64 km/hr, they are called …………….. storm
Answer
Answer: tropical
Question 12.
The centre of cyclone is a …………….. area.
Answer
Answer: calm
Question 13.
The word monsoon is derived from the Arabic word ……………..
Answer
Answer: mausam
Question 14.
…………….. warms up faster than the ……………..
Answer
Answer: Land, water
Question 15.
Monsoon winds flow because of uneven heating of land and
Answer
Answer: Sea/water
Question 16.
Cyclonic winds tend to circulate around the of the cyclone.
Answer
Answer: eye
Question 17.
The faster the air moves, the is the air pressure.
Answer
Answer: Lower
Question 18.
Wind is air.
Answer
Answer: Moving
Question 19.
Air exerts .
Answer
Answer: Pressure
Question 20.
Air on heating and on cooling.
Answer
Answer: Expands, contracts
Question 21.
During thunderstorm, do not take shelter under
Answer
Answer: An Isolated Tree
True or False
Question 1.
Cyclone alert is issued 24 hours in advance of any expected storm.
Answer
Answer: False
Question 2.
Wind is caused due to difference in humidity.
Answer
Answer: False
Question 3.
Tropical cyclones that originate in China sea are typhoon.
Answer
Answer: True
Question 4.
The cold air is heavier than warm air.
Answer
Answer: True
Question 5.
An anemometer measures the temperature of our body.
Answer
Answer: False
Question 6.
The west coast of India is less vulnerable to cyclonic storms both in term of intensity and frequency.
Answer
Answer: True
Question 7.
The east coast of India is not vulnerable to cyclones.
Answer
Answer: False
Question 8.
Cyclones are not destructive.
Answer
Answer: False
Question 9.
Air expands on cooling.
Answer
Answer: False
Question 10.
The first cyclone in Odisha hit in 1999.
Answer
Answer: False
Question 11.
Increased wind speed is followed by increased air pressure.
Answer
Answer: False
Question 12.
Don’t lie on the ground when there is lightning.
Answer
Answer: True
Question 13.
Thunderstorms develop in cold, humid tropical areas.
Answer
Answer: False
Question 14.
The diameter of the eye of the storm varies from 20 to 40 km.
Answer
Answer: False
Question 15.
Warm air is lighter than cool air.
Answer
Answer: True
Question 16.
Air expands on cooling and contracts on heating.
Answer
Answer: False
Question 17.
In winter, the winds blow from land to ocean.
Answer
Answer: True
Question 18.
Hurricane is another name for cyclone.
Answer
Answer: True
Question 19.
A cyclone is also called typhoon in American continent.
Answer
Answer: False
Question 20.
The monsoon winds carry water and it rains.
Answer
Answer: True
Match the Following
Column I | Column II |
1. Dark funnel clouds | (a) American continent |
2. Hurricane | (b) Tornado |
3. Measures the speed of wind | (c) Thunderstorms |
4. Storm with lightning | (d) Anemometer |
5. Typhoon | (e) Philippines and Japan |
6. Wind carrying water | (f) On cooling |
7. Warm air | (g) Rises up |
8. Cyclone warning | (h) 48 hours in advance |
9. Cyclone watch | (i) Monsoon |
10. Air contracts | (j) 24 hours in advance |
Answer
Answer:
Column I | Column II |
1. Dark funnel clouds | (b) Tornado |
2. Hurricane | (a) American continent |
3. Measures the speed of wind | (d) Anemometer |
4. Storm with lightning | (c) Thunderstorms |
5. Typhoon | (e) Philippines and Japan |
6. Wind carrying water | (i) Monsoon |
7. Warm air | (g) Rises up |
8. Cyclone warning | (j) 24 hours in advance |
9. Cyclone watch | (h) 48 hours in advance |
10. Air contracts | (f) On cooling |
Column A | Column B |
1. Wind vane | a. Violently rotating column of air |
2. Thunderstorm | b. Wind direction |
3. Hurricane | c. Cyclone |
4. Tornado | d. Wind speed |
5. Anemometer | e. Lightning |
Answer
Answer:
Column A | Column B |
1. Wind vane | b. Wind direction |
2. Thunderstorm | e. Lightning |
3. Hurricane | c. Cyclone |
4. Tornado | a. Violently rotating column of air |
5. Anemometer | d. Wind speed |
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