Polluting Organic Chemicals Quiz PDF: Questions and Answers - 11

MCQ 51: Lighter 'paraffins' are refined into;

1. Jet fuel
2. Karosene
3. Diesel
4. All of above

MCQ 52: The sources of metals are; forest fires, volcanic activity, dust particles and

1. Anthropogenic Emissions
2. Lands
3. Oceans
4. fossil fuels

MCQ 53: Iron functioning as a 'Cofactor' in; vitamin C

1. Formation
2. Removal
3. Uptake
4. decomposition

MCQ 54: In euphotic zone, atmospheric CO₂ and N₂ gas are fixed into;

1. Inorganic molecules
2. Organic and Inorganic Molecules
3. Plants
4. All of above

MCQ 55: Petroleum mainly consists of; hydrogen and

1. Carbon compounds
2. Phosphate compounds
3. Sulphur compounds
4. Nitrogen gas