Q. When the wheat seeds were taken to Asia?

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Q. The green revolution started from which country?

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Q. Why the green revolution started?

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Q. One of the best varieties of seed is

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Q. The breakthrough in the crop breeding that produced a high yielding food grain is known as

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Q. Forests support habitats with high

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Q. Which swamp is located in USA

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Q. The number od species shrunk into small numders is called as

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Q. What are the threats to wetland from humans?

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Q. What are the major carbon sinks?

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Q. Swamps, marshes, lakes and deltas are an example of

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Q. Useful food resources and raw material are obtained from

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Q. What was the major environmental problem rise from green revolution?

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Q. What is absorbed and stored by the wetlands?

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Q. What is the percentage of wetland in the world?

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Q. Which animals are extincted from the world

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Q. The soil structure, depth and fertility is improved by

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Q. Clearing forests and woodland for industrial or agricultural purposes is known as

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Q. Ecosystem dominated by the presence of water is known as

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Q. Why the rate of extinction is increasing currently?

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