GROUP-A (OBJEC I. Multiple Choice Questions II. One Word Answer/Short Type Answer/Fi I. Multiple Choice Questions 1. Which of the following does not increase the amount CO, in the atmosphere. (a) Decay of animals (b) Photosynthesis (c) Breathing (d) Burning of petrol 2. Carbon monoxide acts as (a) narcotic (b) antiseptic
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photosynthesis is the correct answer of 1 and narcotic is the correct answer of 2
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2. carbon dioxide acts as
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