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Test: Waste Water Story - UPSC MCQ


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10 Questions MCQ Test - Test: Waste Water Story

Test: Waste Water Story for UPSC 2024 is part of UPSC preparation. The Test: Waste Water Story questions and answers have been prepared according to the UPSC exam syllabus.The Test: Waste Water Story MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Waste Water Story below.
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Test: Waste Water Story - Question 1

The process of waste treatment is called

Detailed Solution for Test: Waste Water Story - Question 1

The process of waste treatment is called as sewage treatment to remove harmful substance from water to make it portable.

Test: Waste Water Story - Question 2

State whether the following statement is True or False:

Wastewater treatment involves physical, chemical, and biological processes.

Detailed Solution for Test: Waste Water Story - Question 2

Yes, it's true! Wastewater treatment involves different processes like physical, chemical, and biological methods. These processes help in cleaning the water by removing things like dirt, sand, and even tiny living things that can make the water dirty.

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Test: Waste Water Story - Question 3

Biodegradable wastes are generally

Detailed Solution for Test: Waste Water Story - Question 3

Biodegradable wastes are generally organic in nature obtained from plant and animals.

Test: Waste Water Story - Question 4

Wastewater is passed through _____ to remove large objects like rags and sticks.

Detailed Solution for Test: Waste Water Story - Question 4

Bar screens are used to remove large objects like rags, sticks, cans, and plastic packets from wastewater as it passes through them.

Test: Waste Water Story - Question 5

Liquid waste from houses is called

Detailed Solution for Test: Waste Water Story - Question 5

Sewage is wastewater released by homes, industries, hospitals, offices and other users. It also includes rainwater that has run down the street during a storm or heavy rain. The water that washes off roads and rooftops carries harmful substances with it. Sewage is a liquid waste. Most of it is water, which has dissolved and suspended impurities.

Test: Waste Water Story - Question 6

Which one is not an organic waste?

Detailed Solution for Test: Waste Water Story - Question 6

Vegetable peels, cotton cloths and paper are plant products and organic wastes while DDT is manmade inorganic substance used as pesticides.

Test: Waste Water Story - Question 7

State whether the following statement is True or False:

Filtration plant uses filter paper in the process of water treatment.

Detailed Solution for Test: Waste Water Story - Question 7
  • In the process of water treatment at a filtration plant, they typically do not use filter paper. Instead, they use layers of sand, fine gravel, and medium gravel in the filtration process.
  • Filter paper is often used in science experiments or smaller-scale filtration processes. But in large filtration plants, they use different materials like sand and gravel to filter the water.
Test: Waste Water Story - Question 8
Dried _______ is used as manure.
Detailed Solution for Test: Waste Water Story - Question 8
Sludge, when dried, is rich in nutrients and organic matter, making it a valuable manure for agriculture. It helps improve soil fertility and plant growth.
Test: Waste Water Story - Question 9

Drains get blocked by _______ and _______.

Detailed Solution for Test: Waste Water Story - Question 9

Drains get blocked by a combination of substances, leading to clogs. The correct answer is C: All of these. Here's why:

- Hair: Accumulates in drains, combining with other substances.
- Soap: Residue can solidify, trapping debris.
- Cooking oil and fats: Harden over time, narrowing drain passages.

By choosing option C, you acknowledge that all these factors contribute to drain blockages, emphasizing the importance of regular maintenance to prevent clogs effectively.

Test: Waste Water Story - Question 10
Write the steps involved in getting clarified water from wastewater.
Detailed Solution for Test: Waste Water Story - Question 10
The process of clarifying wastewater involves sedimentation to remove solids, aeration to promote bacterial decomposition of waste, and chlorination to disinfect the water, making it safe for use.
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