Metal pollution Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Metals taken up by marine organism through; atmosphere, inhalation and

1. Soils
2. Adsorption via skin
3. Oceans
4. land

MCQ 2: Potassium and sodium, helps in preserving a proper electrochemical balance, extending towards;

1. Organs
2. plasma membrane
3. Limbs
4. kidneys

MCQ 3: The sources of metals are; forest fires, volcanic activity, dust particles and

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

MCQ 4: Iron functioning as a 'Cofactor' in; vitamin C

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

MCQ 5: Iron is engrossed as a central ion, accessing in;

1. blood nerves
2. Hemoglobin
3. Plasma membrane
4. ovaries