More Questions on Atmosphere
- Q. Consider the following statements: 1. The variation in an average annual range of temperature at 15° latitude of Southern Hemisphere is much less than that at 15° latitude of Northern Hemisphere. 2. At latitudes poleward of 35° the incoming radiation exceeds the outgoing radiation in. Northern Hemisphere, whereas in Southern Hemisphere the outgoing radiation exceeds the incoming radiation. Which of the statements given above is/are correct?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 1 only
- Q. Which of the following are true with regard to temperature control of the atmosphere of a given place? I. The major temperature contrasts on earth’s surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter
A)I and II
B)I, III and IV
C)II, III and IV
D)II and IV
Answer: I, III and IV
- Q. A fragment of solid matter which enters the upper atmosphere from outer space almost disintegrating before reaching the earth’s surface is
A)Meteor
B)Meteorite
C)Asteroid
D)Comet
Answer: Meteor
- Q. Which of the following statements is not true of Trade Winds?
A)They are constant in strength and direction
B)They blow from the Horse Latitudes to the Doldrums
C)They are deflected to the right to become South-East Trades in the southern hemisphere
D)They sometimes contain intense depressions
Answer: They are deflected to the right to become South-East Trades in the southern hemisphere
- Q. Mist is a result of which one of the following?
A)Sublimation
B)Condensation
C)Evaporation
D)Saturation
Answer: Condensation
- Q. A devastating Cloud Burst swept over Leh on August 2010. Which one of the following statements with regard to Cloud Burst is not correct?
A)Cloud Burst occurs only in hilly areas
B)Cloud Burst is a localized weather phenomenon representing highly concentrated rainfall over a small area in a short duration of time
C)Cloud Burst occurs due to upward movement of moisture laden air with sufficient rapidity to form cumulonimbus clouds
D)There is no satisfactory technique till now for predicting Cloud Burst
Answer: Cloud Burst occurs only in hilly areas
- Q. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________
A)Decreases the relative humidity
B)Raises the absolute humidity
C)Produces no change in relative humidity
D)Increases the relative humidity
Answer: Decreases the relative humidity
- Q. The tropical cyclones – Hurricanes and Typhoons – develop and mature ________
A)Over the water bodies only
B)At the same place
C)Over the land masses only
D)Anywhere in the tropical zone
Answer: Anywhere in the tropical zone
- Q. Fogs formed along, the sea-coast are due to ________
A)Convection
B)Advection
C)Radiaton
D)Conduction
Answer: Advection
- Q. Which of the following is located at the minimum height from the Earth?
A)Thermosphere
B)Stratosphere
C)Mesosphere
D)Troposphere
Answer: Troposphere
- Q. The atmospheric layer farthest from the Earth’s surface is known as
A)Ionosphere
B)Stratosphere
C)Exosphere
D)Mesosphere
Answer: Exosphere
- Q. Choose the incorrect statement ________
A)Absolute humidity is expressed in grams per cubic metre of air
B)Capacity of air to hold moisture decreases with a rise in temperature of the air
C)The air pressure decreases with an increase in temperature
D)With an ascent of every 165 metres, the temperature is reduced by 1°C
Answer: Absolute humidity is expressed in grams per cubic metre of air
- Q. Which of the following statements is incorrect?
A)Doldrum belt lies between 10°N and 10°S latitudes
B)Roaring forties are the southern latitudes where Westerlies are prevalent
C)Monsoons are local seasonal winds
D)Horse latitudes are found between Trade winds and Westerlies
Answer: Monsoons are local seasonal winds
- Q. The Sea breeze blows during ________
A)Night from land to sea
B)Day from land to sea
C)Day from sea to land
D)Night from sea to land
Answer: Day from sea to land
- Q. The inner-most layer of the Earth is known as
A)Aesthenosphere
B)Lithosphere
C)Mesosphere
D)Barysphere
Answer: Barysphere
- Q. Frontal rain is caused by ________
A)Cyclonic activity
B)Convection currents
C)Winds from sea
D)Condensation of water evaporated from mountains
Answer: Cyclonic activity
- Q. Which one among the following local winds is not characteristically hot and dry?
A)Khamsin
B)Sirocco
C)Mistral
D)Chinook
Answer: Mistral
- Q. Wind in the Southern hemisphere is deflected towards left due to ________
A)Difference in pressure
B)Temperature variations
C)Rotation of the earth
D)Difference in water content
Answer: Rotation of the earth
- Q. The amount of actual water vapour of air is known as ________
A)Relative humidity
B)Absolute humidity
C)Dew point
D)Condensation point
Answer: Absolute humidity
- Q. Evening sun is not a shot as the mid-day sun. What is the reason?
A)Ozone in atmosphere absorbs more light in the evening
B)In the evening, radiations travel slowly
C)In the evening, the temperature of the sun decreases
D)In the evening, radiations travel larger distance through atmosphere
Answer: In the evening, radiations travel larger distance through atmosphere
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