Tag: control of water pollution

Quizzes (0) Questions (22)

Questions Related to control of water pollution

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

What are indicator organisms?

  1. Organisms which cause disease

  2. Organisms which prevent disease

  3. Organisms which analyse sample

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
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.

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

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

  1. Sludge from water

  2. Nitrate and phosphate from water

  3. Heavy metals from water

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
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'.