World Geography
The main objective of centrally sponsored Command Area Development programme is

optimizing agricultural productivity and production from the irrigated area
both (a) and (b)
improving the utilisation of irrigation potential
None of these

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World Geography
Which among the following statements is/are correct about the symbiotic life of Corals?Algae gives carbon dioxide and other substances the  coral polyp needs.Coral polyp gives off oxygen and other nutrients that the algae needs.Select the correct code from the options given below:

Only 2
Only 1
Neither 1 & 2
Both 1 & 2

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World Geography
The process of weathering results into

a breakdown of one mass in to two or more masses, with no chemical change in the mineral or rock
the addition of specific atoms or compounds to the weathered surface
All of these
the complete loss of particular atoms or the compounds from the weathered surface

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