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

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

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

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Indian Geography
Which of the following is the largest oil refinery in India?

Digboi Refinery
Jamnagar Refinery
Panipat Refinery
Kochi Refinery

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