8

Q1. Which instrument is able to predict storm?

• Hygrometer
• Barometer
• Rain guage
• Manometer

Solution

Barometer is able to predict storm.

Q2. Speed of storm depends on

• Difference in air pressure of two place
• Average temperature of day
• Heating up of earth
• Both(A)  & (B)

Solution

Speed of storm depends on difference in air pressure of two place.

Q3. How many types of monsoon winds are there?

• Two
• Three
• Only one
• Four

Solution

There are two types of monsoon winds.

Q4. Land breeze is a type of:

• Periodic winds
• Seasonal winds
• Trade winds
• Local winds

Solution

Land breeze is a type of local winds.

Q5. Anemometer is used to measure:

• Air pressure
• Wind speed
• Pressure exerted by liquids
• Difference in air pressure of two places

Solution

Anemometer is used to measure wind speed. 

Q6. Which instrument is used to measure air pressure?

• Manometer
• Barometer
• Hydrometer
• Barameter

Solution

Barometer is used to measure air pressure.

Q7. Which of the following is most devastating?

• Cyclones
• Twisters
• Thunderstorms
• Waterspouts

Solution

Cyclones are most devastating.

Q8. Instrument which shows direction of winds is

• Weather vane
• Wind vane
• Anemometer
• Both (A) & (B)

Solution

Instrument which shows direction of winds is wind vane.

Q9. Coolest part of earth is

• Equator
• Temperate region
• Torrid zone
• Poles

Solution

Coolest part of the earth is poles.

Q10. Why winds blow in easterly direction?

• Because earth is tilted
• Earth rotates from west to east
• Due to revolution of earth around sun
• None of these

Solution

Earth rotates from west to east.

Q11. The envelope of air around the earth is known as:

• Stratosphere
• Troposphere
• Hydrosphere
• Atmosphere

Solution

Atmosphere is the envelope of air around the earth.

Q12. Tsunami affected Tamilnadu in which year?

• 2001
• 2007
• 2004
• 2006

Solution

Tamilnadu was affected by Tsunami in 2004.

Q13. Monsoon winds which bring rainfall over India are

• Summer monsoon
• Winter monsoon
• South east monsoon winds
• North east monsoon winds

Solution

Summer monsoon are monsoon winds which bring rainfall over India.

Q14. Why winds blow from polar region to temperate region?

• Due to unequal heating of earth
• Due to difference in air pressure
• Due to cold climate of place
• All of these

Solution

Due to unequal heating of earth, winds blow from polar region to temperate region.

Q15. A violent storm with a column of rapidly rotating winds, having the appearance of a dark, funnel-shaped cloud that reaches the sky to the ground is called

• Cyclone
• Tornado
• Thunderstorm
• Earthquake

Solution

A violent storm with a column of rapidly rotating winds, having the appearance of a dark, funnel-shaped cloud that reaches the sky to the ground is called tornado.

Q16. Winter monsoon brings rainfall in the region of

• Coastal Tamilnadu
• Punjab
• Andhra Pradesh
• Kerala

Solution

Winter monsoon brings rainfall in the region of Coastal Tamilnadu.

Q17. Which hurricane affected eastern U.S in august 2005?

• None of these
• Katrina
• Hugo
• Rita 

Solution

Katrina affected eastern U.S in august 2005.

Q18. What is the similarity in cyclone, tornado thunderstorm?

• High speed wind
• Rain
• Thunder
• Dust

Solution

High speed wind

Q19. Which area receives perpendicular sun rays?

• Tropics
• Torrid zone
• Equator
• Poles

Solution

Equator receives perpendicular sun rays.

Q20. Why does sea breeze blow during day?

• Because land gets heated up quickly
• Water takes time to heat up in comparison to land
• Low pressure is created over land
• All of these

Solution

All of these

Q21. The winds blowing from the oceans towards the land in summer are called

• Westerlies
• Permanent winds
• Breeze
• Monsoon winds

Solution

The winds blowing from the oceans towards the land in summer are called monsoon winds.

Q22. Arrange the events in correct order. (a)  Creation of low pressure area (b)   Rotation of earth cause cold air to swirl towards region of low pressure (c )  Current of air sets up  (d)  Cold air rushes towards it

• (a),(c),(d),(b)
• (a),(b),(c),(d)
• (b),(c),(a),(d)
• (a),(d),(c),(d)

Solution

 (a)  Creation of low pressure area  (c)  Current of air sets up  (d)  Cold air rushes towards it  (b)   Rotation of earth cause cold air to swirl towards region of low pressure   

Q23. Which statement(s) is true about monsoon winds?

• Seasonal winds blowing from sea to land
• Seasonal winds bringing rainfall to India
• Seasonal winds blowing from south west direction
• All of these

Solution

All these statements describes monsoon winds.

Q24. Why does a paper strip flies when air blow over it?

• Because upward air pressure decreases
• Because downward air pressure increases
• Upward air pressure decreases than downward air pressure
• Both (A) & (B)

Solution

A paper strip flies when air blow over it because upward air pressure decreases than downward air pressure. 

Q25. Which of these is not a type of storm?

• Cyclones
• Thunderstorms
• Dry storms
• Tornadoes

Solution

Dry storms is not a type of storm.

Q26. Difference between cyclone and tornado is

• Tornado develops over land and cyclone develpos over water.
• Cyclone develops over land and tornado develops over water.
• In cyclone winds swirl at a higher speed than in tornado.
• None of these

Solution

Tornado develops over land and cyclone develops over water.

Q27. Cyclones are known as typhoons in

• Eastern pacific
• Antarctic region
• Indian ocean
• Eastern Asia

Solution

Eastern Asia

Q28. In summers storms are accompanied by

• Thunder
• Lightning
• Rain
• All of these

Solution

In summers storms are accompanied by thunder, lightning and rain.

Q29. Cyclones are commonly known as hurricane in

• North America
• Caribbean
• Western pacific
• Both (A) & (B)

Solution

Cyclones are commonly known as hurricane in North America and Caribbean.

Q30. Center of a cyclone is called

• Eye
• Twister
• Storm center
• Both (A) & (B)

Solution

Center of a cyclone is called eye.

Q31. Air moves due to:

• Sunlight
• Humidity
• Temperature
• Air pressure

Solution

Air moves due to air pressure.

Q32. When air blows faster then:

• Pressure decreases
• Pressure increases
• Pressure remains same
• Pressure becomes optimum

Solution

When air blows faster then pressure decreases.

Q33. Arrange the following in correct order(a) Unequal heating of earth(b) Creation of pressure difference(c) Heating of air(d) Wind blows

• (a), (c), (b), (d)
• (b), (d), (a), (c)
• (d), (c), (a), (b)
• (a), (b), (c), (d)

Solution

(a), (c), (b), (d)

Q34. Why summer monsoon winds bring rainfall to India?

• Because it carries moisture
• It is sea breeze
• It is a land breeze
• All of these

Solution

Summer monsoon winds bring rainfall to India because it carries moisture.

Q35. Cyclones mostly occur in

• Temperate region
• Equatorial region
• Tropical region
• All of these

Solution

Cyclones mostly occur in tropical region.

Q36. Chances of storms are more in

• summer
• day
• autumn
• winter

Solution

Chances of storms are more in summer.

Q37. Eye of a cyclone is

• Low pressure area
• High pressure area
• Calm area
• Both (A) & (C)

Solution

Both (A) & (C)

Q38. Which liquid is used in barometer?

• Water
• Mercury
• Alcohol
• None of these

Solution

Mercury is used in barometer.

Q39. Why cyclones cause worst destruction?

• They affect wider area
• Speed of wind is very high
• All of these
• They last for longer time

Solution

They last for longer time, they affect wider area and speed of wind is very high.

Q40. Find odd one out:

• Storm
• Westerlies
• Polar winds
• Trade winds