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The Decomposers in Nature Multiple Choice Questions (MCQ Quiz) with Answers PDF (Decomposers in Nature MCQ PDF e-Book) download to study IGCSE O Level Biology Tests. Learn Microorganisms and Applications in Biotechnology Multiple Choice Questions and Answers (MCQs), Decomposers in Nature quiz answers PDF to study online certification courses. The Decomposers in Nature MCQ App Download: Free IGCSE O Level Biology App to study biology practice test, antibiotics: penicillin production, microorganisms, biotechnology and fermentation products: biology test prep for ACT test.

The MCQ: After decomposition of household sewage, the dried substance results in; "Decomposers in Nature" App Download [Free] with answers: sludge, fertilizer, and land fill to study online certification courses. Practice Decomposers in Nature Quiz Questions, download Google eBook (Free Sample) for schools that offer online degrees.

Decomposers in Nature Questions and Answers PDF Download

MCQ: 1

After decomposition of household sewage, the dried substance results in

  1. sludge
  2. fertilizer
  3. land fill
  4. all of above
MCQ: 2

Before discharging decomposed sewage into rivers and seas, the

  1. water is filtered only
  2. pathogens are removed only
  3. pH of sewage is neutralized
  4. water is filtered and pathogens are removed
MCQ: 3

Inorganic gases released during decomposition includes

  1. carbon dioxide
  2. hydrogen sulphide
  3. water vapors
  4. all of above
MCQ: 4

Inorganic salts released during decomposition include

  1. nitrate
  2. sulfate
  3. phosphate
  4. all of above
MCQ: 5

Biogas includes none ,but

  1. carbon monoxide
  2. carboxyl acids
  3. methane
  4. ethane

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Decomposers in Nature MCQ App (Android & iOS)

Decomposers in Nature MCQ App

O Level Biology MCQ App (iOS & Android)

O Level Biology MCQ App

9th Grade Biology MCQs App (iOS & Android)

9th Grade Biology MCQs App

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MCAT Biology MCQs App