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 among the following steps are useful to prevent soil erosion?1. Afforestation2. Contour Ploughing3. Prohibition of shifting cultivation4. Flood controlChoose the correct option from the codes given below :

1 & 2
1, 2 & 4
1, 2, 3 & 4
2 & 4

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Indian Geography
Which of the following was/ were the fault of the thermal concept of Halley?1. He did not take into consideration the shifting of ITCZ2. He overlooked the Coriolis effect3. The overlooked the concept of the passing of latent heat through water vapourChoose the correct option from the codes given below :

1 & 3
2 & 3
1 & 2
1, 2 & 3

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