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


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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