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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 263

Pollution: Sewage as Cause Quiz PDF: Questions and Answers - 263

The Pollution Sewage as Cause Quiz Questions and Answers PDF, Pollution Sewage as Cause Quiz Answers PDF Download e-Book Ch. 7-263 to solve IGCSE O Level Biology Practice Tests. Learn Effects of Human Activity on Ecosystem MCQ Questions PDF, Pollution Sewage as Cause Multiple Choice Questions (MCQ Quiz) to study online school courses. The Pollution: Sewage as Cause Quiz App Download: Free educational app for pollution: sewage as cause, oesophagus, hormones: endocrine glands, oxygen debt, parasitism: malarial pathogen test prep for ACT prep classes.

The Quiz: Hydrogen sulfide (H2S) and ammonia (NH3) are produced from; "Pollution: Sewage as Cause" App (iOS & Android) with answers: Use of chlorofluorocarbon in foam packaging; The chimneys of factories; Decomposition of organic compounds by anaerobic bacteria; Treatment of acidic wastes with alkalis; for ACT prep classes. Study Effects of Human Activity on Ecosystem Questions and Answers, Google eBook to download free sample for accelerated bachelors degree online.

Pollution: Sewage as Cause Questions and Answers PDF Download: Quiz 263

MCQ 1311: Hydrogen sulfide (H2S) and ammonia (NH3) are produced from

  1. the chimneys of factories
  2. use of chlorofluorocarbon in foam packaging
  3. decomposition of organic compounds by anaerobic bacteria
  4. treatment of acidic wastes with alkalis

MCQ 1312: Oesophagus is also called as

  1. gut
  2. gullet
  3. cavity
  4. duct

MCQ 1313: Diarrhea is caused due to

  1. increase in blood flow
  2. increase in rate of peristalsis
  3. decrease in rate of peristalsis
  4. decrease in blood flow

MCQ 1314: In respiration oxygen debt refers to the amount of

  1. oxygen required for oxidation
  2. oxygen lent to other muscles
  3. oxygen required to oxidize lactic acid
  4. oxygen required in rigorous running and physical activities

MCQ 1315: In ecosystem ,Pupa survives through

  1. feeding through the water
  2. feeding through the proboscis
  3. the food accumulated in the larva stage
  4. caudal flaps

IGCSE O Level Biology Exam Prep Tests

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Pollution Sewage as Cause App (Android & iOS)

Pollution Sewage as Cause App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

Molecular Biology App (Android & iOS)

Molecular Biology App (Android & iOS)

College Biology App (Android & iOS)

College Biology App (iOS & Android)