O Level Courses

IGCSE O Level Biology Practice Tests

IGCSE O Level Biology Online Tests

Decomposers in Nature Multiple Choice Questions (MCQ) PDF Download

The e-Book Decomposers in Nature Multiple Choice Questions (MCQ Quiz) with answers, Decomposers in Nature MCQs PDF download to study online igcse biology degree courses. Practice Microorganisms and Applications in Biotechnology Multiple Choice Questions and Answers (MCQs), Decomposers in Nature quiz answers PDF for colleges that offer online degrees. The Decomposers in Nature MCQ App Download: Free learning app for biology practice test, antibiotics: penicillin production, microorganisms, biotechnology and fermentation products: biology test prep for college entrance exams.

The MCQ After decomposition of household sewage, the dried substance results in: sludge, fertilizer, land fill with "Decomposers in Nature" App Download (Free) for colleges that offer online degrees. Study decomposers in nature quiz questions, download Google eBook (Free Sample) for two year degree programs.

Decomposers in Nature MCQ Quiz PDF Download: IGCSE Biology MCQs

MCQ 1: After decomposition of household sewage, the dried substance results in

A) sludge
B) fertilizer
C) land fill
D) all of above

MCQ 2: Before discharging decomposed sewage into rivers and seas, the

A) water is filtered only
B) pathogens are removed only
C) pH of sewage is neutralized
D) water is filtered and pathogens are removed

MCQ 3: Inorganic gases released during decomposition includes

A) carbon dioxide
B) hydrogen sulphide
C) water vapors
D) all of above

MCQ 4: Inorganic salts released during decomposition include

A) nitrate
B) sulfate
C) phosphate
D) all of above

MCQ 5: Biogas includes none ,but

A) carbon monoxide
B) carboxyl acids
C) methane
D) ethane

IGCSE O Level Biology Practice Tests

Decomposers in Nature Learning App & Free Study Apps

Download O Level Biology MCQs App to learn Decomposers in Nature MCQs, Molecular Biology Quiz App, and SAT Biology MCQ App (Android & iOS). The free "Decomposers in Nature MCQs" App includes complete analytics of history with interactive assessments. Download Play Store & App Store learning Apps & enjoy 100% functionality with subscriptions!

O Level Biology App (Android & iOS)

ALL-in-ONE Learning App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (Android & iOS)

Molecular Biology App (Android & iOS)

Molecular Biology App (Android & iOS)

SAT Biology App (Android & iOS)

SAT Biology App (Android & iOS)