Water Pollution Quiz PDF: Questions and Answers - 19

MCQ 91: The 'fixed' solids represents

1. Inorganic Solids
2. Colloidal Solids
3. Suspended solids
4. Settatleable solids

MCQ 92: What pollutants causes in the plants ?

1. Diversity
2. Growth
3. degradation
4. All of above

MCQ 93: What happens when human population is exceeded ?

1. Death
2. Famine
3. Exploitation of resources
4. Natural disaster

MCQ 94: What is the energy input in the man subsidized solar powered ecosystem?

1. 10,000 to 50,000 kcal/m² per year
2. 3,000 to 40,000 kcal/m² per year
3. 30,000 to 40,000 kcal/m² per year
4. 10,000 to 40,000kcal/m² per year

MCQ 95: Trenches' are also used for

1. Incineration
2. Landfilling
3. Compositing
4. Pulverization