Pollution of soil may destroy its structure and:

Related Mcqs:

1. Pollution of SO2 destroy:

   A. Fungi B. Lichen C. Algae D. Fishes...

2. Removal of top soil by soil erosion result in the loss of soil:

   A. Nitrites B. Nitrates C. Nitrogen D. Nitric and nitrous acids...

3. The air pollution caused by phosphate fertilizer factories is due to:The air pollution caused by phosphate fertilizer factories is due to:

   A. Phosphene B. SiF4 C. Dust D. Halogens...

4. When a plant first begins to wilts permanently in a pot, its 54.5 gms of soil has 4.5 gms of water. The PWP of this soil is:

   A. 4.50% B. 9% C. 8.25% D. 16.50%...

5. Positive pollution of soil is due to:

   A. Excess use of fertilizers B. Addition of wastes on soil C. Reduction in soil productivity D. All of these...

6. The soil pollution is caused as the industrial furnaces throw:

   A. CFC, CH4 and SO2 B. Sulphates of Na, Ca and Fe C. Fly ash D. All of these...

7. The factors governing the structure of soil are called:

   A. Topographic B. Temperature C. Biotic D. Edaphic climax...

8. The functions of soil structure are:

   A. Key to fertility of soil B. Important factor in soil erosion C. Both (a) & (b) D. None of these...

9. The major types of soil structure are:

   A. Basis: The classification of soil structure is based on size shape and stability of soil aggregates. The soil aggregate may be of following forms B. Major shape: Spheroidal, plate like, bloke like, prism like C. Both (a) & (b) D. None of these...

10. Effects/influences/functions of soil structure are:

    A. Water holding capacity B. Aeration C. Porosity D. Heat transfer E. All of the above...