V K Sally and S K Aggarwal Solutions for Chapter: Wastewater Management, Exercise 1: Oral Questions
Author:V K Sally & S K Aggarwal
V K Sally Science Solutions for Exercise - V K Sally and S K Aggarwal Solutions for Chapter: Wastewater Management, Exercise 1: Oral Questions
Attempt the practice questions on Chapter 18: Wastewater Management, Exercise 1: Oral Questions with hints and solutions to strengthen your understanding. Learning Elementary Science for Class 7 solutions are prepared by Experienced Embibe Experts.
Questions from V K Sally and S K Aggarwal Solutions for Chapter: Wastewater Management, Exercise 1: Oral Questions with Hints & Solutions
EASY
7th CBSE
IMPORTANT
What is sewage?

EASY
7th CBSE
IMPORTANT
It is located at regular intervals every metres i.e
- | A | - | H | - | - | E |

EASY
7th CBSE
IMPORTANT
Discharge of untreated sewage into water bodies is one of the main source of _____.(guess the word).

EASY
7th CBSE
IMPORTANT
Name two diseases which are caused due to water pollution.

EASY
7th CBSE
IMPORTANT
Give one beneficial activity of microorganisms for sewage.
