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Total Questions: 5
1. The living environment, the biosphere consists of __________ components.
A. 2
B. 4
C. 1
D. 3
Show Correct Answer
Correct Answer is :
3
2. The presence of gas in water is indicated by:
A. Fizzing sound
B. Foam
C. Bubbles
D. Colour change
Show Correct Answer
Correct Answer is :
Foam
3. To test turbidity of polluted water in the field, _________ is used.
A. Baylis Turbidimeter
B. Jackson Turbidimeter
C. Turbidity tube
D. Turbidity rod
Show Correct Answer
Correct Answer is :
Turbidity rod
4. Refuse may be of _________ types.
A. 2
B. 3
C. 4
D. 5
Show Correct Answer
Correct Answer is :
2
5. In the method of trenching, the size of the trench may be:
A. 12 x 5 x 2m
B. 15 x 5 x 3m
C. 12 x 3 x 2m
D. 15 x 5 x 5m
Show Correct Answer
Correct Answer is :
12 x 3 x 2m