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Which of the following crops has the highest photosynthetic activity ?
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Which of the following statements about the cultivation of tea and coffee is true ?
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There are two places P and Q. The longitudes of P and Q are 45° E and 60°W respectively. What will be the difference in their local times
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Humidity of the air
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Himalayan rivers are perennial because
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Why is there a severe difference in the climates of Northern and Southern Hemisphere ?
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The concept of welfare state is included in the Constitution of India in
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If President wants to resign, he should address his resignation letter to the
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The personality who is not connected with 1857 mutiny is
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Mixed economy means
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