Tag: sewage treatment

Questions Related to sewage treatment

Sewage water carry ______ that spread diseases.

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. plants

  2. animals

  3. micro organisms

  4. dirt

Show answer
Correct Option: C

Which of the following is not a water borne disease?

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. Diarrhoea

  2. Typhoid

  3. Hepatitis

  4. Conjunctivitis

Show answer
Correct Option: D

Storing water to make it available even after the rainy season is called

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. storage

  2. water management

  3. water purification

  4. none of the above

Show answer
Correct Option: B

Waste water from industries contain

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. microbes

  2. poisonous substances

  3. oil

  4. minerals

Show answer
Correct Option: B

When water is passed through filter beds of sand and gravel to remove smaller particles of dust is called

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. oxygenation

  2. chlorination

  3. sedimentation

  4. filtration

Show answer
Correct Option: D

Water pollution is mainly caused by

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. earthquake

  2. human activity

  3. forest fire

  4. biological decay

Show answer
Correct Option: B

Disease caused by the use of untreated water is

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. Tuberculosis

  2. Typhoid

  3. Cholera

  4. Both B and C

Show answer
Correct Option: D
Explanation:
Tuberculosis is caused due to Mycobacterium tuberculosis. It is caused due to the infection of lungs due to inhaling the contaminated air.
Typhoid is mainly caused due to bacteria Salmonella typhimurium. The intestine and bloodstream of humans is the main source of proliferation of bacteria. The direct contact with the untreated water containing the feces of an infected person is the main cause of the spread of the disease. 
Cholera is a disease which causes severe dehydration due to infection of the bacterium called Vibrio cholerae. Consumption of contaminated food and water mainly causes the disease. 
So, the correct answer is option D.

Which of the following chemical is used to disinfect water

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. Chlorine

  2. washing soda

  3. coal

  4. petrol

Show answer
Correct Option: A

Which of the following need to be done before chemical treatment and biological treatment?

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. Screening only

  2. Filteration only

  3. Boiling of water

  4. Both A and B

Show answer
Correct Option: D

water pollution can cause 

biology wastewater story basics of water pollution sewage treatment wastewater treatment - need and methods personal and public cleanliness who will do this? water borne disease hygiene - a key to healthy life

  1. climate change

  2. deforestation

  3. diseases

  4. none of the above

Show answer
Correct Option: C