Decomposers in Nature MCQs Test Online PDF Download

Decomposers in nature multiple choice questions, learn online IGCSE biology test prep for certificate programs online courses. Learn microorganisms and applications in biotechnology multiple choice questions (MCQs), decomposers in nature quiz questions and answers. Career test prep on fungi: o level biology, biology practice test, antibiotics: penicillin production, microorganisms, biotechnology and fermentation products: biology aptitude test for online cell biology courses distance learning.

Practice microorganisms and applications in biotechnology aptitude test MCQs: before discharging decomposed sewage into rivers and seas,, for free online certificate courses with options the water is filtered, the pathogens are removed, the ph of sewage is neutralized for online subjective aptitude tests, online learning, competitive exams with interesting topics preparation. Free skills assessment test is for online learning decomposers in nature quiz questions with MCQs, exam preparation questions and answers.

MCQ on Decomposers in NatureQuiz PDF Download

MCQ: After decomposition of household sewage, dried substance results in

  1. sludge
  2. fertilizer
  3. land fill
  4. all of these

D

MCQ: Before discharging decomposed sewage into rivers and seas,

  1. the water is filtered
  2. the pathogens are removed
  3. the pH of sewage is neutralized
  4. both A and B

D

MCQ: Inorganic gases released during decomposition include

  1. carbon dioxide
  2. hydrogen sulphide
  3. water vapors
  4. all of these

D

MCQ: Inorganic salts released during decomposition include

  1. nitrate
  2. suplhate
  3. phosphate
  4. all of these

D

MCQ: Biogas contains

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

C