Lakhmir Singh and Manjit Kaur Solutions for Chapter: Wastewater Story, Exercise 1: Very Short Answer Type Questions
Author:Lakhmir Singh & Manjit Kaur
Lakhmir Singh Science Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Wastewater Story, Exercise 1: Very Short Answer Type Questions
Attempt the practice questions on Chapter 18: Wastewater Story, Exercise 1: Very Short Answer Type Questions with hints and solutions to strengthen your understanding. AWARENESS SCIENCE for Seventh Class solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Wastewater Story, Exercise 1: Very Short Answer Type Questions with Hints & Solutions
MEDIUM
7th CBSE
IMPORTANT
At a sewage treatment plant, what type of bacteria work: (a) in the digester tank, and (b) in the aeration tank.
EASY
7th CBSE
IMPORTANT
Wastewater released by houses is called _____. (sewage/ pollution)
EASY
7th CBSE
IMPORTANT
Cleaning of water is a process of removing _____.
MEDIUM
7th CBSE
IMPORTANT
Dried _____ is used as manure. (sludge / clay / soil)
EASY
7th CBSE
IMPORTANT
Untreated human excreta is a _____ hazard.
EASY
7th CBSE
IMPORTANT
Vermi-composting toilets use _____ to treat human waste.
EASY
7th CBSE
IMPORTANT
All the portable toilets are _____ toilets.
EASY
7th CBSE
IMPORTANT
Poor sanitation in crowded public places can result in spread of _____.
