INDIAN GEOGRAPHY

PHYSIOGRAPHIC DIVISION OF INDIA

GREAT INDIAN DESERT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Some areas in the Thar Desert has become green due to ____
A
the underground water available
B
rainfall
C
Indira Gandhi Canal
D
None of the above
Explanation: 

Detailed explanation-1: -It starts from Firozpur of Punjab and terminates its irrigation facilities in Thar Desert of Rajasthan. The canal passes seven districts of Rajasthan namely Barmer, Bikaner, Churu, Hanumangarh, Jaisalmer, Jodhpur, and Sriganganagar. Hence it has brought greenery to Rajasthan. Thus the correct answer is option B.

Detailed explanation-2: -ans5)The Indira Gandhi Canal was constructed to rejuvenate the Thar region, and it has had many positive socioeconomic impacts. However, the ecological impacts of this new canal water supply have mainly been negative. As many as 153 species of plants have disappeared from the irrigated region of the Thar Desert.

Detailed explanation-3: -In the long term, the increased rainfall has the potential to green the desert and significantly increase food productivity in the region. But in the short term, it is necessary to plan for harvesting the excess water to increase groundwater reserves, says Goswami.

Detailed explanation-4: -irrigation of Thar Desert The Indira Gandhi Canal irrigates a vast amount of land in the Indian portion of the Thar.

Detailed explanation-5: -Extreme temperatures-temperatures in the Thar Desert can exceed 50°C in the summer months. It is hard for people to farm, work in mines or as tourist guides during these months as it is simply too hot. This makes development difficult. Water supply-the supply of water to the Thar Desert is precious and limited.

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