FORMATIVE & SUMMATIVE ASSESSMENTS
S K Jain Science Solutions for Exercise - FORMATIVE & SUMMATIVE ASSESSMENTS
Simple step-by-step solutions to FORMATIVE & SUMMATIVE ASSESSMENTS questions of Wastewater Story from Science 7. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from FORMATIVE & SUMMATIVE ASSESSMENTS with Hints & Solutions
The fuel obtained by decomposing sludge is
The substances which make water unfit for human consumption. (Nutrients / Pollutants)
The process of removing pollutants from wastewater is known as:
The underground network of small and big pipes for carrying sewage/wastewater is called?
A.) sewers
B.) sewerage
C.) transport system
D.) treatment plant
Note- Please provide your answer as an option A, B, C or D.
What is the word used for the following: The set-up for the removal of physical, chemical and biological pollutants from wastewater.
(Wastewater treatment plant/ chemical treatment plant)
The diseases are caused by polluted/contaminated groundwater are called
(Water-borne diseases/ Airborne diseases)
Match the Columns
|
Column A |
Column B |
| 1. Water pollutant | A. Typhoid, Cholera |
| 2. Bacteria | B. Network of pipes |
| 3. Drinking water | C. Sewage |
| 4. Sewerage | D. Biogas |
| 5. Sludge | E. Odorless and colorless |
Diminishing the availability of usable/clean water may cause serious water scarcity. Can you suggest some ways to find a solution to this problem?
