DGCA Meteorology: Climatology of India & Monsoons Questions
92 exam-style Climatology of India & Monsoons questions for the DGCA Meteorology paper (CPL · ATPL · PPL). The first 12 are free below with answers and explanations — sign up free to practise all of them with progress tracking.
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Q1
Dust storms in India are commonly associated with:
- A Western Disturbances
- B South-West Monsoon
- C Trade Winds
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Correct answer: A. Western Disturbances
Western Disturbances stir up dry, gusty winds, kicking up dust in northwest India.
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Q2
The South-West monsoon advances over India primarily via:
- A Bay of Bengal branch
- B Arabian Sea branch
- C Himalayan branch
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Correct answer: B. Arabian Sea branch
The Arabian Sea branch hits India’s west coast first, bringing heavy rain in June.
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Q3
Weather conditions at Bombay (Mumbai) during July are mainly influenced by:
- A North-East Monsoon
- B South-West Monsoon (Arabian Sea branch)
- C Western Disturbance
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Correct answer: B. South-West Monsoon (Arabian Sea branch)
Mumbai gets heavy rain in July from the Arabian Sea monsoon branch.
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Q4
During break monsoon the pressures all over the country
- A Do not change
- B Fall
- C Rise
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Correct answer: C. Rise
During a break in the monsoon the monsoon trough shifts to the Himalayan foothills and rainfall wanes over the plains; with the weakening of the seasonal low, pressures rise over most of the country.
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Q5
The Savannah climatic zone is:
- A approximately 20° - 30° of latitude and provides very dry desert conditions throughout the year.
- B approximately 10°- 20° of latitude and provides dry trade wind conditions in winter and a wet summer season.
- C approximately 10° - 20° of latitude and provides a wet winter season and a dry hot summer.
- D approximately 10° - 30° of latitude and has a period of long rains in spring and autumn, but is never dry.
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Correct answer: B. approximately 10°- 20° of latitude and provides dry trade wind conditions in winter and a wet summer season.
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Q6
The warm temperature climatic zone is:
- A approximately 20° - 35° of latitude and covers the high pressure desert regions of the world.
- B approximately 35° - 40° of latitude and is under the influence of polar front depressions throughout the year
- C approximately 35° - 40° of latitude and provides a warm dry summer with a cool wet winter
- D approximately 35° - 40° of latitude and provides a wet summer season and a dry cold winter
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Correct answer: C. approximately 35° - 40° of latitude and provides a warm dry summer with a cool wet winter
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Q7
Northern hemisphere summers tend to be:
- A warmer than the southern hemisphere and winters are warmer too.
- B colder than the southern hemisphere due to the smaller amount of solar radiation.
- C colder than the southern hemisphere because of the large land masses.
- D warmer than the southern hemisphere and the winters are colder
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Correct answer: D. warmer than the southern hemisphere and the winters are colder
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Q8
The effect of mountain barriers on temperature is exemplified by the following:
- A European temperatures are low in winter because there is no barrier to prevent cold Atlantic air crossing the area.
- B the Rocky mountains of North America prevent cold Pacific air reaching inland, so summer temperatures to the east of the mountains are high
- C the Himalayas prevent warm dry air from Russia reaching India and Pakistan
- D the Ural mountains of West Russia prevent most of the cold Siberian air reaching Europe in summer
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Correct answer: B. the Rocky mountains of North America prevent cold Pacific air reaching inland, so summer temperatures to the east of the mountains are high
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Q9
The Tropopause is:
- A more or less constant for any latitude.
- B is a boundary layer between the troposphere and the stratosphere.
- C normally the upper limit of weather.
- D the upper limit for jet streams and mountain waves.
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Correct answer: C. normally the upper limit of weather.
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Q10
Statistical pressure values tend to be:
- A on average parallel to the lines of latitude
- B on average parallel to the lines of latitude in the southern hemisphere and much more variable in the northern hemisphere
- C much lower in winter in the northern hemisphere than in the southern hemisphere
- D higher over the oceans in winter
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Correct answer: B. on average parallel to the lines of latitude in the southern hemisphere and much more variable in the northern hemisphere
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Q11
The heat equator is:
- A another name for the geographic equator
- B coincident with the equatorial trough and ITCZ
- C a line over the land joining places where the summer temperatures are highest.
- D a line over the land joining places where the winter temperatures are highest.
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Correct answer: B. coincident with the equatorial trough and ITCZ
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Q12
The average temperature around the equatorial regions:
- A is always above +40° C
- B is higher over the sea areas
- C varies on average from winter to summer by only some 5° C
- D has a very high range of temperatures throughout the year
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Correct answer: C. varies on average from winter to summer by only some 5° C
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