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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

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

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

A) the chimneys of factories
B) use of chlorofluorocarbon in foam packaging
C) decomposition of organic compounds by anaerobic bacteria
D) treatment of acidic wastes with alkalis

MCQ 1312: Oesophagus is also called as

A) gut
B) gullet
C) cavity
D) duct

MCQ 1313: Diarrhea is caused due to

A) increase in blood flow
B) increase in rate of peristalsis
C) decrease in rate of peristalsis
D) decrease in blood flow

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

A) oxygen required for oxidation
B) oxygen lent to other muscles
C) oxygen required to oxidize lactic acid
D) oxygen required in rigorous running and physical activities

MCQ 1315: In ecosystem ,Pupa survives through

A) feeding through the water
B) feeding through the proboscis
C) the food accumulated in the larva stage
D) caudal flaps

IGCSE O Level Biology Exam Prep Tests

Pollution Sewage as Cause Learning App & Free Study Apps

Download Pollution Sewage as Cause Quiz App to learn O Level Biology Quiz, A level Biology Quiz App, and Zoology Quiz App with answers. The free "Pollution Sewage as Cause Quiz" App (Android & iOS) includes complete analytics of history with interactive assessments. Download Play Store & App Store learning Apps & enjoy 100% functionality with subscriptions!

Pollution Sewage as Cause App (Android & iOS)

Pollution Sewage as Cause App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (Android & iOS)

A level Biology App (Android & iOS)

A level Biology App (Android & iOS)

Zoology App (Android & iOS)

Zoology App (Android & iOS)