Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) ?

Related Mcqs:

The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the ________________?

A. Catalytic conversion B. Green house effect C. Global warming D. Both B. and C....

Fine grit present in sewage is removed in the _____________ during sewage treatment?

A. Grit chamber B. Detritus tank C. Trickling filter D. Skimming tank...

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by__________________?

A. Biological oxygen pond B. Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) C. Lagoons D. Filtration...

COD of raw municipal sewage may be in the range of about _____________ mg/litre?

A. 1-2 B. 5-10 C. 90-120 D. 1500-2500...

Fluorosis is caused due to the presence of excessive amount of ______________ in drinking water?

A. Mercury B. Lead C. Fluoride D. Arsenic...