Water Pollution Quiz PDF: Questions and Answers - 143

MCQ 711: What affects the velocity and surface expansion of river?

1. Dissolved Oxygen
2. Turbidity
3. Currents
4. Hydrography

MCQ 712: How many layers are found in atmosphere ?

1. 2
2. 3
3. 5
4. 4

MCQ 713: What is involved in manufacturing of protein and DNA ?

1. Nitrogen
2. Phosphorous
3. Carbon
4. Oxygen

MCQ 714: The organism in the estuary can concentrate on conversion of sun energy into;

1. Food
2. Organic matters
3. Nutrients
4. Water

MCQ 715: Material produced by weathering accumulates in

1. Sedimentary Rocks
2. Depositional basins
3. Basins
4. Igneous rocks