In the context of ecosystem productivity, marine upwelling z

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In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the .

1. Decomposer microorganism to the surface.

2. Nutrients to the surface.

3. Bottom-dwelling organisms to the surface.

Which of the statements given above is/are correct?

??????????? ????? ????????? ?? ?????? ???, ??????? ?????? ??????? ?????????? ???, ??????? ?? ??????? ????????? ?? ?????? ????

1. ??? ?? ??? ???????? ???????????

2. ??? ?? ???? ?????

3. ??? ?? ???? ???? ???? ????

??? ??? ?? ????? ??? ?? ??? ?? ??? ?? / ????

[Ecology and Environment 2011-16 New Without Errors,UPSC IAS Prelims 2011]

A 1 and 2

1 और 2

B 2 only

२ ही

C 2 and 3

2 और 3

D 3 only

केवल 3

...

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