1000+ Environmental Science and Engineering MCQ Questions & Answers - 1
Question: 1
The most frequent method of bacterial reproduction is by
(A) colony formation
(B) cell division
(C) sexual process
(D) budding
Ans: B
cell division
Question: 2
Turbidity of water is usually measured in terms of
(A) platinum scale
(B) cobalt scale
(C) silica scale
(D) sodium scale
Ans: C
silica scale
Question: 3
Which of the following is not a constituent of coal?
(A) manganese
(B) inorganic matter
(C) nitrogen
(D) hydrogen
Ans: A
manganese
Question: 4
The ratio activity of water due to Strontium can be removed by
(A) lime
(B) phosphate coagulation
(C) alum coagulation
(D) aeration
Ans: B
phosphate coagulation
Question: 5
Desalination is usually needed for
(A) river water
(B) rain water
(C) well water
(D) sea water
Ans: D
sea water
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