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Waste Water Story-I

Description: Free Online Tests for Wastewater Story, Waste Water Story, Waste Water, Biology, Science
Number of Questions: 25
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Tags: Wastewater Story Waste Water Story Waste Water Biology Science Sewage or Waste water Forest Department Exams Sanitation and Diseases, Sanitation at Public Places Waste water Treatment Sewage Treatment and Recycling of Waste Water Sanitation and Diseases
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What do we call the water if it contains pollutants?

  1. Pure water

  2. Potable water

  3. Waste water

  4. Salty water


Correct Option: C

Which one of the following is not a cause of scarcity of fresh water?

  1. Industrialization

  2. Pollution

  3. Population growth

  4. Disease


Correct Option: D
Explanation:

Disease is not a cause of scarcity of fresh water, because it does not affect the water level.

Which civilization had made the world's first urban sanitation system?

  1. Harappa and Mohenjodaro

  2. Vedic civilization

  3. Mauryan period

  4. Gupta dynasty


Correct Option: A

What is the process of waste water treatment called?

  1. Water cleaning

  2. Water management

  3. Sewage treatment

  4. Water harvesting


Correct Option: C

Which period was proclaimed by UN as the international decade for action on “Water for Life”?

  1. 2005 - 2010

  2. 2005 - 2015

  3. 2010 - 2015

  4. 2000 - 2015


Correct Option: B

Which one of the following is not the cause of water pollution?

  1. Open defecation

  2. Chemicals and pesticides

  3. Animal waste

  4. Microbes


Correct Option: D

What is sewage?

  1. Animal and plant wastes

  2. Human faecal wastes mixed with waste water

  3. Gaseous waste from the industries

  4. Non – biodegradable waste


Correct Option: B
Explanation:

Human faecal wastes mixed with waste water is sewage.

What are dissolved and suspended impurities called?

  1. Contaminants

  2. Faces

  3. Sludge

  4. Biogas


Correct Option: A

What is the inorganic impurity in the waste water?

  1. Urea

  2. Oil

  3. Herbicides

  4. Metals


Correct Option: D
Explanation:

Metals are the inorganic impurity in the waste water.

Which among the following is not a source of sewage?

  1. Agricultural activities

  2. Water that washes off roads

  3. Drains from laundries

  4. Water from dams


Correct Option: D
Explanation:

Water from dams is not a source of sewage.

Which one of the following diseases is caused by bacteria?

  1. Malaria

  2. Dengue

  3. Hepatitis

  4. Dysentery


Correct Option: D
Explanation:

Dysentery is caused by bacteria.

The network of big and small pipes dealing with waste water and clean water are called ________

  1. Sewers

  2. Aquifer

  3. Tanks

  4. Sanitation


Correct Option: A

Nitrogen and phosphorus are _________ in the sewage water.

  1. nutrients

  2. inorganic Impurities

  3. organic waste

  4. essential chemical


Correct Option: B
Explanation:

Nitrogen and phosphorus are inorganic Impurities in the sewage water.

Which one of the following is not a point of origin of sewage?

  1. Toilets

  2. Commercial organization

  3. Treatment activities

  4. Kitchen


Correct Option: C

Which transport system carries sewage from point of being produced to the point of disposal?

  1. Mud pits

  2. On-site sanitation system

  3. Sewerage system

  4. Toilets


Correct Option: C

Pick out the odd one.

  1. Aeration

  2. Filtration

  3. Chlorination

  4. Sludge


Correct Option: D

Which instrument is used to bubble air while treated the polluted water?

  1. Filter

  2. Aerator

  3. Crift

  4. Distillation flask


Correct Option: B
Explanation:

Aerator is used to add oxygen to polluted water.

What is the full form of “WWTP”?

  1. Waste Water Treatment Plant

  2. Sewage Disposing Plant

  3. Waste Water Collecting Plant

  4. Water Harvesting Plant


Correct Option: A
Explanation:

Waste Water Treatment Plant

Addition of small pieces of a chlorine tablet in water is called ________.

  1. Chlorination

  2. Filtration

  3. Sanitation

  4. Contamination


Correct Option: A

Which type of waste are removed from waste water by skimmers?

  1. Excreta

  2. Oil and grease

  3. Plastic bags

  4. Sticks and napkins


Correct Option: B
Explanation:

Oil and grease are removed from waste water by skimmers.

Which instrument removes rags, cans, plastics packets from the waste water?

  1. Aerator

  2. Skimmer

  3. Bar screen

  4. Grit


Correct Option: C
Explanation:

Bar screen removes rags, cans, plastics packets from the waste water

Which instrument in treatment plant remove solid waste like faeces from waste water?

  1. Grit

  2. Bar screen

  3. Clarifier

  4. Aerator


Correct Option: A
Explanation:

Grit remove solid waste like faeces from waste water

Which of the following diseases is not a waterborne disease?

  1. Dysentery

  2. Cholera

  3. Malaria

  4. Typhoid


Correct Option: C
Explanation:

Malaria is not a waterborne disease.

All of the following are inorganic impurities present in waste water, except

  1. fruit and vegetable waste

  2. nitrates

  3. phosphates

  4. metals


Correct Option: A
Explanation:

Fruit and vegetable waste is an organic impurity present in waste water.

Which type of sewage is produced by kitchen activities?

  1. Sullage water

  2. Trade waste

  3. Foul waste

  4. Solid and inorganic waste


Correct Option: A
Explanation:

Sullage water is produced by kitchen activities.

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