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Because both create different routes and rainfall regions
Because both are dry winter winds
Because both are only loo
Because both give no rainfall
Question 1ExpertLevel 56
What condition can develop in northern plains during long clear winter nights?
Correct answer: A
During long, clear winter nights, the land loses heat rapidly through radiation. If the temperature near the ground reaches freezing point or below, moisture can freeze and frost may form. Loo is a hot, dry summer wind, so it is not associated with such winter conditions. Exam tip: clear winter nights indicate strong radiational cooling and possible frost.
Which option correctly compares pressure conditions of winter, summer and monsoon?
Correct answer: A
In winter, the Indian landmass is relatively cooler and develops high pressure, so winds generally blow from land towards the sea. In summer, the land heats rapidly and develops low pressure. Monsoon winds then move from the sea towards this low-pressure area over land, carrying moisture. Option C is closest but reverses the monsoon wind direction. Exam tip: remember that heated land develops low pressure, while cooler land develops high pressure.
Which answer correctly differentiates winter rain and summer local rain?
Correct answer: A
In winter, rain over north-western India is mainly caused by western disturbances. In contrast, local summer rain is associated with intense heating, convection and local atmospheric conditions; mango showers in Kerala and Karnataka and Kal Baisakhi in West Bengal and Assam are examples. Option B is wrong because western disturbances do not cause local summer rain. Exam tip: associate winter rain with ‘western disturbances’ and summer rain with ‘local convectional rainfall’.
If an answer does not mention monsoon branches and relief, why will the description of monsoon season be incomplete?
Correct answer: A
The Arabian Sea and Bay of Bengal branches carry moisture to different parts of India. Relief features such as mountains, slopes and rain-shadow areas force winds to rise, producing heavy rainfall in some places and less rainfall in others. Therefore, monsoon branches and relief are essential to explain the regional distribution of rainfall. Option D is incorrect because features such as the Himalayas and the Western Ghats strongly affect rainfall. Exam tip: link wind branches, mountain barriers and rainfall distribution in a monsoon answer.
What effect can loo have on human life during hot weather?
Correct answer: A
Loo is an intensely hot and dry wind that blows during summer. Exposure to it can raise body temperature, while excessive sweating may cause loss of water and salts, increasing the risk of dehydration and heat stroke. Frost, snowfall, and below-freezing temperatures are associated with cold conditions, not loo. Exam tip: remember loo as a ‘hot, dry wind’ linked with dehydration and heat stroke.
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