NCERT Class 7 Science-Wastewater Story[Polluted Water] [NCERT Based General Studies (GS)]: Questions 1 - 2 of 2

Access detailed explanations (illustrated with images and videos) to 4883 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. 3 Year Validity- Access Unlimited Times on Unlimited Devices.

View Sample Explanation or View Features.

Rs. 750.00 -OR-

How to register? Already Subscribed?

Question 1

Question MCQ▾

Water is polluted from various sources such as from:

Choices

Choice (4)Response

a.

Mining operations and construction work

b.

Houses, Industries

c.

Farms

d.

All a., b. and c. are correct

Edit

Question 2

Question MCQ▾

Treatment of wastewater involves:

Choices

Choice (4)Response

a.

Biological processes

b.

Chemical Processes

c.

Physical processes

d.

All a., b. and c. are correct

Edit