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WBCS 2021 Mains (General Studies Paper-II) Prev. Yr. Paper (21-May-2022)

Medium 200 Questions 150 min 200 marks

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Question No: 51Difficulty: mediumMarks: 1mcq

In a hydrogen-oxygen fuel cell between the two electrodes occurs to

Question No: 52Difficulty: mediumMarks: 1mcq

Grey Revolution is associated with

Question No: 53Difficulty: mediumMarks: 1mcq

A common indicator organism of water pollution is

Question No: 54Difficulty: mediumMarks: 1mcq

The latent heat of vaporisation of a substance can be calculated from

Question No: 55Difficulty: mediumMarks: 1mcq

Which of the following belong to category of primary consumers?

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