Tag: control of water pollution

Questions Related to control of water pollution

What are indicator organisms?

biology environmental pollution control of water pollution protecting our environment rules are for everyone

  1. Organisms which cause disease

  2. Organisms which prevent disease

  3. Organisms which analyse sample

  4. None of the above

Show answer
Correct Option: C
Explanation:

Indicator organisms are organisms used as a sign of quality or hygienic status in food, dietary supplements, water or the environment for example algal bloom is an indicator of eutrophication. The presence of E.coli is an indicator for water pollution.

So, the correct answer is option C.

FOAM and the biologists from humboldt state university, california created an integrated waste water treatment, they use plants for purify mainly :-

biology environmental pollution control of water pollution protecting our environment rules are for everyone

  1. Sludge from water

  2. Nitrate and phosphate from water

  3. Heavy metals from water

  4. All of the above

Show answer
Correct Option: A
Explanation:

The main purpose of FOAM is to treat wastewater around a place called Arcata and the surrounding bay through a natural system.

So, the correct option is 'Sludge from water'.