With the increase in water pollution, the BOD:

Related Mcqs:

1. BOD value of sewage water than that of tap water is:

   A. More B. Less C. Equal D. Somewhere more somewhere less...

2. As compared to tap water the BOD of sewage polluted water shall be:

   A. High B. Low C. Same D. None of these...

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. BOD of polluted water is increased by

   A. Algae B. Moss C. Ferns D. Distillated wastes...

5. Which of the following enhances BOD of water?

   A. Algae B. Sand C. Moss D. Sugar mill effluents...

6. BOD is connected with:

   A. Organic matter B. Microbes C. Both (a) & (b) D. None of these...

7. BOD is the amount of oxygen:

   A. Present in water B. Utilized by organisms in water C. Utilized by micro-organisms for decomposition D. Demanded by the producers for the production of food...

8. In a river, if its BOD is high, then:

   A. River is polluted B. River is not polluted C. River is day D. None of these...

9. BOD stands for:

   A. Biotic oxygen deduction B. Base of degradation C. Biotic oxide demand D. Biological oxygen demand...

10. When excess of sewage is dumped in the river, its BOD:

    A. Increases B. Slightly decreases C. Remains unchanged D. Decreases drastically...