Determining Sanitary Quality of Water

YOU CAN DOWNLOAD 200+ SUBJECTS PDF BOOK FOR COMPETITIVE EXAMINATIONS

CLICK HERE TO DOWNLOAD

Determining Sanitary Quality of Water

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The coliform group of bacteria includes all the ..... bacilli
A
aerobic
B
anaerobic
C
aerobic, non-sporulating
D
aerobic, Gram-negative, non-sporulating
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What will be the plate count of good quality water?
A
10 per ml
B
50 per ml
C
100 per ml
D
1000 per ml
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Alum is used for which of the following purification process?
A
Sedimentation
B
Filtration
C
Disinfection
D
Ozonation
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The potability of water can be checked by sanitary surveys.
A
True
B
False
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Thiobacillus can produce an acidity in the range of pH .....
A
7
B
5
C
3
D
1
There are 5 questions to complete.