CTET Class I to V 5 Jan 2022 Paper

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Question : 62 of 150

Marks: +1, -0

What is the main reason for the depletion of ground water levels?
Select the right answer.

The rains are less frequent.
Tree cover has reduced.
Tube wells and hand pumps are used for irrigation.
The course of the rivers is being changes and dams built.

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