Worksheet

Syllabus Study Notes

Did you know flamingoes can live up to 80 years old.

Flops are a part of life’s menu and I’ve never been a girl to miss out on any of the courses– Rosalind Russell

Class VII >> Science >> Wastewater Story >> A1

Q1	What is the solid waste of sewage water called?
A	Residue
B	Scum
C	Lather
D	Sludge

Q2	Which of the following is an alternative method of sewage disposal?
A	Septic Tanks
B	Biogas Plants
C	Vermi-composting Toilets
D	All of the Above

Q3	Which of the following feature makes water fit for human consumption?
A	Transparent and Odourless
B	Rich in Lather
C	Mixed with Oil
D	Foul Smell

Q4	Large pipes that carry waste water away from homes or factories are called __________.
A	Sewers
B	Septic Tanks
C	Hose Pipes
D	Rain Water Harvesters

Q5	What is the covered lid of a sewer drain called?
A	Manhole Cover
B	Flip Top
C	Sink Hole
D	Sewer Lid

Q6	Waste material produced by automobiles is called __________.
A	Effluent
B	Emission
C	Garbage
D	Sewage

Q7	Vehicle emission falls under the category of __________.
A	Solid Waste
B	Liquid Waste
C	Gaseous Waste
D	All of the Above

Q8	__________ is treated in a sewage treatment plant.
A	Hard Water
B	Wastewater
C	Fresh Water
D	Potable Water

Q9	Bacteria present in sewage can cause __________.
A	Cholera
B	Asthma
C	Chicken pox
D	Malaria

Q10	The process of removing contaminants from wastewater is called __________.
A	Sewage Treatment
B	Rainwater Harvesting
C	Composting
D	Eutrophication

Available Time

Time Left

Bonus Time Left

GoforPractice is an online structured PRACTICE PLATFORM for school students of CBSE board India. We strive to make practice fun and engaging for students and help them achieve their goals efficiently. Our practice tests are handcrafted for a thorough understanding of concepts using contemporary and modern learning techniques. With elaborate explanations and chapter-wise revision listing, our ecosystem provides resources to elevate students from a basic to an advanced level of performance.

About Us
Basic Rules
Child Safety
Terms & Conditions

FAQs
Blogs
Sitemap
Contact Us