Indian Geography
The term ‘demographic gap’ signifies the difference in which of the following?

Child / woman ratio
Sex ratio
Age
Between the birth and the death rate

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Indian Geography
Which of the following statements is not correct about the tank irrigation in peninsular India?

Rainwater can be easily stored by constructing tanks
Percolation of rainwater is less due to hard rock
Most of the rivers are seasonal and dry up in summer reason
Underground water level is higher

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