MEDIUM
7th CBSE
IMPORTANT
Earn 100

Name any four water-borne diseases which are caused by drinking contaminated water.

Important Questions on Wastewater Story

MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 18 - Wastewater Story>Very Short Answer Type Questions>Q 13
State whether the following statement is true or false:
Human excreta can be used in biogas plants.
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 18 - Wastewater Story>Very Short Answer Type Questions>Q 14
Name any two low-cost, onsite sewage disposal systems for human waste.
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 18 - Wastewater Story>Very Short Answer Type Questions>Q 15
What type of toilets are most suitable for holding an outdoor music festival in a park?
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 18 - Wastewater Story>Very Short Answer Type Questions>Q 16
What type of toilets are the most suitable for an area where water supply is limited?
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 18 - Wastewater Story>Very Short Answer Type Questions>Q 17
What type of toilets are used in aeroplanes?
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 18 - Wastewater Story>Very Short Answer Type Questions>Q 18
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
AWARENESS SCIENCE for Seventh Class>Chapter 18 - Wastewater Story>Very Short Answer Type Questions>Q 20
Wastewater released by houses is called _____. (sewage/ pollution)
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 18 - Wastewater Story>Very Short Answer Type Questions>Q 20
Cleaning of water is a process of removing _____.