Question 11 of 17
Environmental Issues
Montreal protocol was signed in 1987 for control
of:
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Class XII · Biology practice
Environmental Issues PYQs
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17 questions in this collection · Page 2 of 2
Question 12 of 17
Environmental Issues
Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to:
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Question 13 of 17
Environmental Issues
Which of the following protocols did aim for reducing emission of chloroflurocarbons into the atmosphere?
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Question 14 of 17
Environmental Issues
Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?
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Question 15 of 17
Environmental Issues
Which of these following methods is the most suitable for disposal of nuclear waste?
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Question 16 of 17
Environmental Issues
Which of the following pairs of gases is mainly
responsible for green house effect?
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Question 17 of 17
Environmental Issues
Polyblend, a fine powder of recycled modified
plastic, has proved to be a good material for:
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