Nivedita Bose and Madhur Gupta Solutions for Chapter: Wastewater Story, Exercise 1: Worksheet SA

Author:Nivedita Bose & Madhur Gupta

Nivedita Bose Science Solutions for Exercise - Nivedita Bose and Madhur Gupta Solutions for Chapter: Wastewater Story, Exercise 1: Worksheet SA

Attempt the practice questions on Chapter 18: Wastewater Story, Exercise 1: Worksheet SA with hints and solutions to strengthen your understanding. LEARNING edge SCIENCE and TECHNOLOGY 7 solutions are prepared by Experienced Embibe Experts.

Questions from Nivedita Bose and Madhur Gupta Solutions for Chapter: Wastewater Story, Exercise 1: Worksheet SA with Hints & Solutions

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 18 - Wastewater Story>Worksheet SA>Q D

What is sewerage? 

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 18 - Wastewater Story>Worksheet SA>Q D

Which process during the wastewater treatment results in the proliferation of bacteria? 
 

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 18 - Wastewater Story>Worksheet SA>Q D

Which process during the wastewater treatment kills the germs? 
 

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 18 - Wastewater Story>Worksheet SA>Q D

Write the process of obtaining clarified water. 

MEDIUM
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 18 - Wastewater Story>Worksheet SA>Q E

Discuss the processes involved in a sewage treatment plant in detail. 
 

MEDIUM
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 18 - Wastewater Story>Worksheet SA>Q E

Discuss better housekeeping practices to maintain sanitation. 

EASY
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 18 - Wastewater Story>Worksheet SA>Q E

Untreated human excreta is a health hazard. Explain.

HARD
7th CBSE
IMPORTANT
LEARNING edge SCIENCE and TECHNOLOGY 7>Chapter 18 - Wastewater Story>Worksheet SA>Q E

Explain why it is harmful to discharge untreated sewage into rivers or seas.