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Olympiad Test: Waste Water Story


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20 Questions MCQ Test Science & Technology for UPSC CSE | Olympiad Test: Waste Water Story

Olympiad Test: Waste Water Story for UPSC 2022 is part of Science & Technology for UPSC CSE preparation. The Olympiad Test: Waste Water Story questions and answers have been prepared according to the UPSC exam syllabus.The Olympiad Test: Waste Water Story MCQs are made for UPSC 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Waste Water Story below.
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Olympiad Test: Waste Water Story - Question 1

Which of the following is non-biodegradable?

Detailed Solution for Olympiad Test: Waste Water Story - Question 1

Cardboard, cotton cloth and leather shoes are biodegradable while glass bottle is non-biodegradable item.

Olympiad Test: Waste Water Story - Question 2

An example of source reduction of waste is

Detailed Solution for Olympiad Test: Waste Water Story - Question 2

Backward composting is an example of source reduction of waste as waste is composted in field to make manure.

Olympiad Test: Waste Water Story - Question 3

Which of the following is wastewater?

Detailed Solution for Olympiad Test: Waste Water Story - Question 3

Water Goming out of a laundry is wastewater.

Olympiad Test: Waste Water Story - Question 4

Which of the following is biodegradable?

Detailed Solution for Olympiad Test: Waste Water Story - Question 4

Those substance that are easily broken into simpler substances by action of bacteria are called biodegradable. Orange peels is biodegradable.

Olympiad Test: Waste Water Story - Question 5

Addition of harmful substance in water leads to

Detailed Solution for Olympiad Test: Waste Water Story - Question 5

Addition of harmful substance in water leads to water pollution as it contains biological, chemical and physical pollutants.

Olympiad Test: Waste Water Story - Question 6

Which process during wastewater treatment helps in eliminating germs?

Detailed Solution for Olympiad Test: Waste Water Story - Question 6

Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water. This method is used to kill bacteria, viruses and other microbes in water. In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, and typhoid.

Olympiad Test: Waste Water Story - Question 7

Passing chlorine gas through drinking water to disinfect it is called

Detailed Solution for Olympiad Test: Waste Water Story - Question 7

Passing chlorine gas through drinking water to disinfect it is called chlorination. Chlorination kills the microbes present in water.

Olympiad Test: Waste Water Story - Question 8

Which one is not a of household garbage

Detailed Solution for Olympiad Test: Waste Water Story - Question 8

Household garbage includes crockery pieces, dal packets and vegetable peels. Cow dung is a farm garbage.

Olympiad Test: Waste Water Story - Question 9

Sewage is mainly a

Detailed Solution for Olympiad Test: Waste Water Story - Question 9

Sewage is mainly a liquid waste.Sewage is a type of wastewater that is produced from a community of people. It is characterized by volume or rate of flow, physical condition, chemical and toxic constituents, and its bacteriologic status . It consists mostly of grey water.

Olympiad Test: Waste Water Story - Question 10

The network of drainage pipe to carry waste water is called

Detailed Solution for Olympiad Test: Waste Water Story - Question 10

The network of drainage pipe to carry waste water is called sewer system to remove waste water from houses.

Olympiad Test: Waste Water Story - Question 11

Disinfection can be removed by

Detailed Solution for Olympiad Test: Waste Water Story - Question 11

Water obtained from water work is chlorinated to kills the germ present in it.

Olympiad Test: Waste Water Story - Question 12

After the treatment the treated water is released into

Detailed Solution for Olympiad Test: Waste Water Story - Question 12

After the treatment of water by sewage treatment, water is released to water bodies.

Olympiad Test: Waste Water Story - Question 13

Last stage in treatment of sewage is

Detailed Solution for Olympiad Test: Waste Water Story - Question 13

Sewage treatment involves many stages like primary treatment, secondary treatment and tertiary treatment. The last stage in treatment os sewage is chlorination.

Olympiad Test: Waste Water Story - Question 14

Open drain cause ____________ condition.

Detailed Solution for Olympiad Test: Waste Water Story - Question 14

Open drain because unhygienic condition as it provides breeding ground for malaria and other insect carrying pathogen.

Olympiad Test: Waste Water Story - Question 15

Jaundice affects which organ?

Detailed Solution for Olympiad Test: Waste Water Story - Question 15

jaundice is caused by using contaminated water. Jaundice affects the liver of person.

Olympiad Test: Waste Water Story - Question 16

Solid parts of sewage can be used as

Detailed Solution for Olympiad Test: Waste Water Story - Question 16

During sewage treatment, solid wastes are also generated. This waste can be used as manure.

Olympiad Test: Waste Water Story - Question 17

Disease causing micro-organisms are called

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A pathogen or infectious agent is a biological agent that causes disease or illness to its host.

Olympiad Test: Waste Water Story - Question 18

For removing floating wastes in sewage ______________ is used.

Detailed Solution for Olympiad Test: Waste Water Story - Question 18

To remove floating waste in sewage bar screen is used during primary treatment.

Olympiad Test: Waste Water Story - Question 19

Stone and girt present in sewage forms the

Detailed Solution for Olympiad Test: Waste Water Story - Question 19

Stone, girt and other solid parts present in sewage forms the sludge. It is separated by sedimentation.

Olympiad Test: Waste Water Story - Question 20

Adding air to treated water is called

Detailed Solution for Olympiad Test: Waste Water Story - Question 20

Adding air to treated water is called aeration. Aeration increases the aerobic bacteria in water to consume the organic wastes.

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