1) Answer: a) Assertion and reason both are correct statements and reason is the correct explanation for assertion.
- Polythene bags do pose a concern to water drainage systems as they can choke drains and block pipes, providing a valid explanation for the assertion.
2) Answer: a) Assertion and reason both are correct statements and reason is the correct explanation for assertion.
- Wastewater from toilets is indeed referred to as black water, and wastewater from kitchen and bathroom is referred to as grey water, providing a clear distinction and explanation for the assertion.
3) Answer: a) Assertion and reason both are correct statements and reason is the correct explanation for assertion.
- The assertion accurately defines a sewer as an underground pipe carrying away sewage, and the reason further explains that the underground network of sewers is called sewerage.
4) Answer: b) Assertion and reason both are correct statements and reason is not the correct explanation for assertion.
- Incineration involves combustion of wastes, but the reason incorrectly associates it with anaerobic bacteria, which is not the case.
5) Answer: a) Assertion and reason both are correct statements and reason is the correct explanation for assertion.
- The Swachh Bharat Mission does focus on promoting proper sewage disposal and providing toilets, making the reason a valid explanation for the assertion.
Answers & Comments
Verified answer
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1) Answer: a) Assertion and reason both are correct statements and reason is the correct explanation for assertion.
- Polythene bags do pose a concern to water drainage systems as they can choke drains and block pipes, providing a valid explanation for the assertion.
2) Answer: a) Assertion and reason both are correct statements and reason is the correct explanation for assertion.
- Wastewater from toilets is indeed referred to as black water, and wastewater from kitchen and bathroom is referred to as grey water, providing a clear distinction and explanation for the assertion.
3) Answer: a) Assertion and reason both are correct statements and reason is the correct explanation for assertion.
- The assertion accurately defines a sewer as an underground pipe carrying away sewage, and the reason further explains that the underground network of sewers is called sewerage.
4) Answer: b) Assertion and reason both are correct statements and reason is not the correct explanation for assertion.
- Incineration involves combustion of wastes, but the reason incorrectly associates it with anaerobic bacteria, which is not the case.
5) Answer: a) Assertion and reason both are correct statements and reason is the correct explanation for assertion.
- The Swachh Bharat Mission does focus on promoting proper sewage disposal and providing toilets, making the reason a valid explanation for the assertion.
Answer:
ok but I don't know what you mean by that