A. Chlorine
B. Chloramines
C. Phenyl
D. Ozone
Related Mcqs:
- BOD value of sewage water than that of tap water is:
A. More
B. Less
C. Equal
D. Somewhere more somewhere less - As compared to tap water the BOD of sewage polluted water shall be:
A. High
B. Low
C. Same
D. None of these - When a big fish eats a small fish, which easts water-fleas supported by phytoplankton, the water leas are:
A. Primary consumers
B. Producers
C. Secondary consumers
D. Top consumers in this food chain - The soils that are fully laden with water i.e., water logged, are known are:
A. Physically dry soils
B. Physiologically dry soils
C. Alkaline soils
D. Acidic soils - When a soil has been thoroughly wetted and then allowed to drain until capillary movement of the water has stopped, the water content of the soil will give an estimate of it’s:
A. Gravitational water
B. Capillary water
C. Field capacity
D. Storage capacity - Water-logging is a serious problems, with water-table within _____ over the greater part of the area:
A. 5m
B. 6m
C. 7m
D. 8m - The importance of watershed management was realized when Pakistan signed Indus Water Treaty with India through which right of water of ______ was given to India while Pakistan has the right on river Indus and Jhelum:
A. Chenab
B. Ravi
C. Sutlij
D. All of the above - Which one of the following organisms is used as indicator of water quality?
A. Beggiota
B. Chlorella
C. Azospirillium
D. Escherichia - Which of the following enhances BOD of water?
A. Algae
B. Sand
C. Moss
D. Sugar mill effluents - Amount the following water plants, heterophylly is found in:
A. Free floating
B. Rooted emergent
C. Submerged floating
D. None of these
The correct answer to the question: "Which of the following is not used for disinfection of drinking water?" is "Phenyl ".