- In which months does Tamil Nadu get its main monsoon rain?
- March-April
- June-July
- July-August
- October-December
Show answer
Answer: (D) October-December
The retreating / north-east monsoon picks up moisture over the Bay of Bengal.
- The Indian monsoon is marked by a seasonal reversal of winds. Its basic cause?
- Unequal heating of land and sea
- Cold air from Central Asia
- Uniformity of temperature
- None of these
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Answer: (A) Unequal heating of land and sea
Low pressure over land and high over the sea in summer — the reverse in winter.
- Signs of the monsoon's withdrawal — 1. Clear skies 2. High pressure over the Bay of Bengal 3. Rise in land temperature
- 1 only
- 1 and 2
- 1 and 3
- All three
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Answer: (C) 1 and 3
The Bay has low pressure at that time; clear skies and the "October heat" are correct.
- Where is the daily range of temperature greatest?
- East coast
- Interior of the Chhattisgarh plain
- Andaman islands
- Desert of Rajasthan
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Answer: (D) Desert of Rajasthan
Dry air and sand — very hot days, cold nights.
- Which condition is associated with a weak monsoon in India?
- La Niña
- El Niño and the Southern Oscillation
- Speed of ocean currents
- Global greenhouse effect
Show answer
Answer: (B) El Niño and the Southern Oscillation
The warm phase of ENSO often brings less rain to India.
- Statements — 1. The duration of the monsoon decreases from south to north. 2. Annual rainfall in the northern plains decreases westward. Correct? (IAS 2010)
- 1 only
- 2 only
- Both 1 and 2
- Neither
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Answer: (C) Both 1 and 2
—
- The state that gets the most rain from the winter (north-east) monsoon?
- Assam
- West Bengal
- Tamil Nadu
- Odisha
Show answer
Answer: (C) Tamil Nadu
—
- In summer the heat and low pressure over the subcontinent draw air from the Indian Ocean — producing?
- South-east monsoon
- South-west monsoon
- Trade winds
- Westerlies
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Answer: (B) South-west monsoon
Crossing the equator, the south-east trades turn south-westerly.
- Without the Himalaya — 1. Siberian cold waves would reach most of the country 2. The Indus-Ganga plain would lack such rich alluvium 3. The monsoon pattern would differ. Correct?
- 1 only
- 1 and 3
- 2 and 3
- All three
Show answer
Answer: (D) All three
—
- Cause of a break in the monsoon over the northern plains?
- Fewer depressions/cyclones
- Change in the position of the ITCZ
- Moist winds blowing parallel to the Ganga basin
- Both (a) and (b)
Show answer
Answer: (D) Both (a) and (b)
Winds blowing parallel cause breaks on the west coast.
- Correctly matched — 1. Bardoli Chheerha — Assam 2. Mango showers — South India 3. Cherry blossom — Karnataka-Kerala 4. Kalbaisakhi — West Bengal
- 1, 2 and 3
- 2, 3 and 4
- 1, 3 and 4
- All
Show answer
Answer: (D) All
—
- Köppen climate of the Coromandel coast of Tamil Nadu?
- Amw
- As
- Aw
- Cwg
Show answer
Answer: (B) As
Dry summer, winter rain (from the NE monsoon) — As.
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