Page 2 - H.A-1 (SUBJECTIVE AND OBJECTIVE)

Q.1 Name two water borne diseases. 1 R

Q.2  For Assertion& Reason question follow the following 1 U
directions.

DIRECTION: Each of these questions contains an Assertion
followed by Reason. Read them carefully and answer the
question on the basis of following options. You have to select the
one that best describes the two statements.
(a) If both Assertion and Reason are correct and Reason is the
correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not
the correct explanation of Assertion.

(c) If Assertion is correct but Reason is incorrect.

(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect

Assertion- The pipes that carry wastewater are called sewer
main.
Reasoning- Sewer main is covered by manholes.

Q.3
What is sludge?

Q.4 a) I am the solid that floats in the sedimentation tank. Who 3 U
am I?
b) What is sedimentation?
c) What is the function of sedimentation tank?
Q5. a) What do you understand by wastewater treatment? 0.5+ R
b) Describe the steps involved in primary treatment.
4.5

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