NCERT Class 7 Science-Wastewater Story[Water, Our Lifeline] [NCERT Based General Studies (GS)]: Questions 1 - 4 of 4
Access detailed explanations (illustrated with images and videos) to 4879 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▾
Cleaning water is the process of removing:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Biological contaminants from water | |
b. | Suspended solids and gases from water | |
c. | Undesirable chemicals from water | |
d. | All a., b. and c. are correct | |
Question 2
Question MCQ▾
Water flowing down the drain is called as:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Waste water | |
b. | Sewage | |
c. | Both a. and b. are correct | |
d. | None of the above | |
Question 3
Question MCQ▾
Scarcity of clean potable water is due to:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Industrial development | |
b. | Population growth | |
c. | Pollution | |
d. | All a., b. and c. are correct | |
Question 4
Question MCQ▾
Different types of impurities present in water are:
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Inorganic impurities | |
b. | Organic impurities | |
c. | Nutrients, Bacteria | |
d. | All a., b. and c. are correct | |