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Winds, Storms and Cyclones

Winds, Storms and Cyclones

20 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is/are false?
a. When warm air of a region rises up, the atmospheric pressure of that region falls.
b. A hurricane dies out when it moves over warm tropical seas.
c. Hot air rises upwards and cold air sinks down.

  1. Only a
  2. Only a and c
  3. Only b
  4. Only a and b
  5. Only c
Question 2 Multiple Choice (Single Answer)

Which of the following factors contribute to the development of cyclones?

  1. Wind speed
  2. Wind direction
  3. Temperature
  4. Humidity
  5. All of the above
Question 3 Multiple Choice (Single Answer)

Which of the following examples prove that moving air exerts pressure?

  1. While riding a bicycle, it is difficult to drive if the wind is blowing in the opposite direction.
  2. While flying a kite, the kite always flows in the direction of the wind.
  3. It is easier to row a sail boat in the direction of the wind.
  4. Leaves fall from trees when strong wind is blowing.
  5. All of the above
Question 4 Multiple Choice (Single Answer)

The air in the northern hemisphere blows in the ______________ direction.

  1. north-west
  2. south-east
  3. north-east
  4. south
  5. south-west
Question 5 Multiple Choice (Single Answer)

Which of the following safety measures should be adopted by people living in coastal areas to protect themselves from a cyclone?

  1. Paying attention to warning broadcasts from time to time.
  2. In case of a cyclone warning, stock necessary food items and medicines.
  3. If possible, move to a safer place.
  4. Fishermen should not venture into the sea during a cyclone warning.
  5. All of the above
Question 6 Multiple Choice (Single Answer)

Which of the following statements is/are false?
a. Hurricanes develop over the oceans in latitudes 8 degrees to 15 degrees north and south.
b. All storms are high pressure systems.
c. Winds are caused due to uneven heating of the Earth.

  1. Only a
  2. Only b
  3. Only a and b
  4. Only c
  5. Only a and c
Question 7 Multiple Choice (Single Answer)

Match the following:

 
a. India 1. Typhoons
b. West Indies 2. Cyclones
c. Japan 3. Willy-Willies
d. Australia 4. Hurricanes
  1. a - 2, b - 4, c - 3, d - 1
  2. a - 2, b - 4, c - 1, d - 3
  3. a - 4, b - 2, c - 1, d - 3
  4. a - 3, b - 4, c - 1, d - 2
  5. a - 2, b - 1, c - 4, d - 3
Question 8 Multiple Choice (Single Answer)

Which of the following statements is/are false?
a. All storms are high pressure systems.
b. A wind storm's destructive capacity with increases in wind speed.
c. Wind cycles are caused due to uneven heating of land and water as well as the shape of Earth.

  1. Only a and b
  2. Only b
  3. Only b and c
  4. Only c
  5. Only a
Question 9 Multiple Choice (Single Answer)

In winters, the Indian subcontinent becomes very cold and the wind from _____________ starts blowing towards the sea.

  1. north-east
  2. north-west
  3. south-west
  4. south-east
  5. west
Question 10 Multiple Choice (Single Answer)

Which of the following statements is/are false?
a. Smoke goes up in the air because it is lighter than the surrounding air.
b. Fast moving wind is accompanied by a fall in air pressure.
c. The regions near the poles get maximum heat from the Sun.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only a and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

When air expands on heating, its ___________ .

  1. mass remains the same, but volume increases
  2. volume remains the same, but mass increases
  3. temperature remains the same, but volume increases
  4. mass remains the same, but temperature increases
  5. volume remains the same, but temperature increases
Question 12 Multiple Choice (Single Answer)

The destructive capacity of a wind storm _____________.

  1. increases with the increase in wind speed
  2. decreases with the increase in wind speed
  3. increases with the increase in temperature
  4. decreases with the increase in temperature
  5. increases with the increase in humidity
Question 13 Multiple Choice (Single Answer)

Which of the following is a precaution that should be taken by the people living in a cyclone hit area?

  1. Do not touch electric poles, fallen electric wires or wet switches.
  2. Do not drink water contaminated by flood water.
  3. Do not put pressure on rescue workers for taking you to safety.
  4. Do not make unjustified demands from administration.
  5. All of the above
Question 14 Multiple Choice (Single Answer)

Which of the following statements is/are false?
a. The difference between the temperatures of two regions sets the convection in air.
b. In winters the wind flows from the ocean to the land.
c. At sea level, air exerts a pressure of 1.033 kg/cm2.

  1. Only b
  2. Only a and b
  3. Only c
  4. Only b and c
  5. Only a
Question 15 Multiple Choice (Single Answer)

Thunderstorms are caused by violent air currents inside ____________ clouds.

  1. cumulus
  2. contrails
  3. stratus
  4. cirrus
  5. altocumulus
Question 16 Multiple Choice (Single Answer)

Match the following:

 
Name of wind Beaufort number
1. Fresh breeze a. 3
2. Gentle breeze b. 1
3. Moderate gale c. 5
4. Light air d. 7
  1. 1 - a, 2 - c, 3 - d, 4 - b
  2. 1 - c, 2 - a, 3 - b, 4 - d
  3. 1 - c, 2 - a, 3 - d, 4 - b
  4. 1 - b, 2 - a, 3 - d, 4 - c
  5. 1 - c, 2 - d, 3 - a, 4 - b
Question 17 Multiple Choice (Single Answer)

The best place to take shelter during a thunderstorm is ___________.

  1. under a big tree
  2. entering a body of water
  3. a big building
  4. getting inside a car
  5. an umbrella with a metal rod
Question 18 Multiple Choice (Single Answer)

Which of the following has the most important function for advanced cyclone warning?

  1. Central Water Commission
  2. Indian Statistical Department
  3. Indian Metrological Department
  4. Indian Forest Department
  5. Department of Agriculture and Cooperation
Question 19 Multiple Choice (Single Answer)

Match the following:

 
a. Cyclone 1. The storms accompanied by rain and lightning at a speeds of 89 - 102 km/h.
b. Thunderstorm 2. A dark funnel shaped cloud formed on land such that it reaches from the sky to the ground.
c. Tornado 3. Swirlling winds formed in tropical seas due to the formation of a low pressure region at sea.
  1. a - 3, b - 2, c - 1
  2. a - 3, b - 1, c - 2
  3. a - 2, b - 1, c - 3
  4. a - 2, b - 3, c - 1
  5. a - 1, b - 2, c - 3
Question 20 Multiple Choice (Single Answer)

The instrument used to measure wind speed is called ______________.

  1. ammeter
  2. barometer
  3. anemometer
  4. speedometer
  5. odometer
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