Wastewater Story-Sanitation and Disease (CBSE Class-7 Science): Questions 1 - 3 of 3

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Question number: 1

» Wastewater Story » Sanitation and Disease » Sanitation at Public Places

MCQ▾

Question

The practice of open defecation leads to:

Choices

Choice (4) Response

a.

Contamination of sources of underground water like wells, tubewells

b.

Soil Contamination

c.

Contamination of water tables

d.

All a. , b. and c. are correct

Question number: 2

» Wastewater Story » Sanitation and Disease » Vermi-Processing Toilets

MCQ▾

Question

What is a vermicomposting toilet?

Choices

Choice (4) Response

a.

Toilets in aeroplane and trains

b.

Toilets in which excreta is treated by earthworms

c.

Toilets which use chemicals to disinfect human waste

d.

None of the above

Question number: 3

» Wastewater Story » Sanitation and Disease » Alternative Arrangement for Sewage Disposal

MCQ▾

Question

Onsite arrangements for sewage disposal are:

Choices

Choice (4) Response

a.

Composting pits

b.

Chemical toilets

c.

Septic tanks

d.

All a. , b. and c. are correct

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