Metal pollution Quiz Questions and Answers PDF - 53

MCQ 261: Heavy metals, counted as; mercury, lead, cadmium, chromium and

1. Carbon
2. Arsenic
3. Oxygen
4. helium

MCQ 262: Cd' causes endocrine disruption in;

1. Fishes
2. Seals
3. Whales
4. Silver sea breams

MCQ 263: PCBs' are widely used in;

1. Aero planes
2. Building materials
3. Electrical equipments
4. Industries

MCQ 264: In sea, the dissovled mercury ions are easily absorbed in;

1. Plants
2. Sediments
3. Animals
4. Fats

MCQ 265: Dioxins consist of two 'polychlorinated aromatic' hydrocarbons, associated with one or two;

1. Halogen group
2. ether group
3. organic compounds
4. inorganic compounds