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Test: Climate - 1 - UPSC MCQ


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10 Questions MCQ Test - Test: Climate - 1

Test: Climate - 1 for UPSC 2024 is part of UPSC preparation. The Test: Climate - 1 questions and answers have been prepared according to the UPSC exam syllabus.The Test: Climate - 1 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Climate - 1 below.
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Test: Climate - 1 - Question 1

What is the primary factor that influences the distribution of annual rainfall in India?

Detailed Solution for Test: Climate - 1 - Question 1
The distribution of annual rainfall in India is primarily influenced by upper air circulation caused by factors controlling global weather patterns. This includes the presence of jet streams and the movement of air masses at higher altitudes, which play a crucial role in determining India's weather and monsoon patterns.
Test: Climate - 1 - Question 2

What is the main cause of the variation in the distribution of annual rainfall in India?

Detailed Solution for Test: Climate - 1 - Question 2
The main cause of the variation in the distribution of annual rainfall in India is orographic effects and the presence of high mountains. When moist air is forced to ascend these mountains, it leads to variations in rainfall patterns across different regions of the country.
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Test: Climate - 1 - Question 3

Which branch of the southwest monsoon brings rainfall to the west coast of India, including Kerala and Karnataka?

Detailed Solution for Test: Climate - 1 - Question 3
The Arabian Sea branch of the southwest monsoon brings rainfall to the west coast of India, including states like Kerala and Karnataka. This branch of the monsoon is responsible for the heavy rainfall in these coastal areas.
Test: Climate - 1 - Question 4
Which factor contributes to the pulsating nature of the monsoon in India, characterized by wet and dry spells?
Detailed Solution for Test: Climate - 1 - Question 4
The pulsating nature of the monsoon in India, with wet and dry spells, is primarily influenced by the movement of the monsoon trough of low pressure. The position of this trough and its axis determines the intensity and distribution of rainfall. When it shifts, it can result in longer dry spells or widespread rains.
Test: Climate - 1 - Question 5
What is the main reason for the variation in rainfall received by different regions of India during the monsoon season?
Detailed Solution for Test: Climate - 1 - Question 5
The main reason for the variation in rainfall received by different regions of India during the monsoon season is the presence of high mountains and orography. When moist air is forced to ascend the slopes of mountain ranges or the edge of plateaus, it cools down, gets saturated, and leads to heavy rainfall on windward slopes. This creates variations in rainfall patterns across the country.
Test: Climate - 1 - Question 6
Which phenomenon plays a crucial role in determining the onset of the south-west monsoon in India?
Detailed Solution for Test: Climate - 1 - Question 6
The onset of the south-west monsoon in India is crucially determined by the movement of the ITCZ (Inter-Tropical Convergence Zone). As this zone shifts northward, it attracts the south-west monsoon winds towards the Indian subcontinent.
Test: Climate - 1 - Question 7
What causes the rainshadow effect in certain regions of India?
Detailed Solution for Test: Climate - 1 - Question 7
The rainshadow effect in certain regions of India is caused by the presence of high mountains and orographic effects. When moist air is forced to ascend these mountains, it leads to heavy rainfall on windward slopes and creates a rainshadow region on the leeward side with much lower rainfall.
Test: Climate - 1 - Question 8

Which branch of the jet stream is responsible for steering tropical depressions over India during the monsoon season?

Detailed Solution for Test: Climate - 1 - Question 8

An easterly jet stream, called the sub-tropical easterly jet stream blows over peninsular India, approximately over 14°N during the summer months. Tropical cyclones occur during the monsoon as well as in October – November and are part of the easterly flownsoon rainfall.

Test: Climate - 1 - Question 9
Which region of India receives the highest annual rainfall from the southwest monsoon?
Detailed Solution for Test: Climate - 1 - Question 9
The north-eastern states of India receive the highest annual rainfall from the southwest monsoon. This is due to their hilly terrain and proximity to the Bay of Bengal, which results in heavy rainfall in this region.
Test: Climate - 1 - Question 10
What is the primary factor responsible for the distribution of rainfall during the winter months in India?
Detailed Solution for Test: Climate - 1 - Question 10
The distribution of rainfall during the winter months in India is primarily influenced by the frequency of western disturbances. These disturbances, originating in regions like the Mediterranean Sea, bring rainfall to northern India during the winter season.
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