OAS Mains-2019 Daily Answer Writing-02/06/2020

Paper:   General Studies Paper-I

Section:  Geography of India

Topic:  Physical Geography of India

Question 1

Discuss the distribution of winds and rainfall over India in the summer monsoon season. (125 words)

Sample Answer

During summer, difference of pressure and temperature created over the Indian landmass and the waterbody of Arabian Sea and the Indian Ocean plays a role in deciding the distribution of wind and rainfall.

South-West monsoon wind brings rain to Indian sub continent. Winds from the South-West, dividing at the southern tip of India, blow over landmass in May and June. This wind carry moisture and when obstructed by the Western Ghats, it give rainfall ranging from 200 to 400 cm. While going towards Rajasthan and Kutch, they hardly give 40 to 60 cm rainfall.

In North-East and Eastern plateau about 150-300 cm and in the Himalayan about 100-200 cm rainfall come in this season. A branch of South-Western monsoon wind from East towards North bring rainfall in Tamil Nadu.

Total words: 135

Question 2

Why are the Aravallis called a divide between Mewar and Marwar? (125 words)

Sample Answer

Mewar comprises of Udaipur, Chittorgarh, Bhilwada, Dungarpur, etc. districts of Rajasthan Marwar is made of Jodhpur, Jaisalmer, Bikaner, Nagor areas in Rajasthan.

Both areas are divided and separated by a mountain range, spread over southwest to north-east direction, called Aravalli range.

Due to the effects of this mountain range, Mewar experiences an average temperature of 35° C in summer and about 15°C in winter. Rainfall occurs to an average of 75 to 85 cm annually. Given this climatic situation, this region consist of rich resources of natural vegetation.

Quite contrary, Marwar experiences 32 °C to 36 °C average temperature in hot season and 10°C to 15°C in cold seasons. It has only barber vegetation and experiences cyclonic rainfall.

Apart from the geographical differences, the eastern part of Aravalli, Mewar has its dialect known as Mewari different from the western region, Marwar’s Marwari dialect.

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