S K Jain and Shailesh K Jain Solutions for Chapter: Wastewater Story, Exercise 4: Summative ASSESSMENT

Author:S K Jain & Shailesh K Jain

S K Jain Science Solutions for Exercise - S K Jain and Shailesh K Jain Solutions for Chapter: Wastewater Story, Exercise 4: Summative ASSESSMENT

Attempt the free practice questions on Chapter 18: Wastewater Story, Exercise 4: Summative ASSESSMENT with hints and solutions to strengthen your understanding. Science 7 solutions are prepared by Experienced Embibe Experts.

Questions from S K Jain and Shailesh K Jain Solutions for Chapter: Wastewater Story, Exercise 4: Summative ASSESSMENT with Hints & Solutions

EASY
7th CBSE
IMPORTANT

What is the contamination of water by harmful substances and germs etc. called?

EASY
7th CBSE
IMPORTANT

How is the blackish-brown oily and lathery water that goes down the drain termed as? (Clean water / Wastewater)

EASY
7th CBSE
IMPORTANT

What are the diseases caused by pollutants in water called?

EASY
7th CBSE
IMPORTANT

What are the setups used for purifying wastewater called?

MEDIUM
7th CBSE
IMPORTANT

Which bacteria decompose the biodegradable contaminants present in clarified water? (Aerobic bacteria/Anaerobic bacteria)

MEDIUM
7th CBSE
IMPORTANT

Define: Pollution of groundwater

HARD
7th CBSE
IMPORTANT

Draw a layout drawing of a typical sewage system

MEDIUM
7th CBSE
IMPORTANT

Describe the vermi-processing toilet. What are the advantages of this type of toilet?