IGCSE O Level Biology Practice Test 7

Deforestation and Pollution Quiz Questions with Answers PDF Download - 7

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The Deforestation and Pollution Trivia Questions and Answers PDF (Deforestation and Pollution Quiz Answers PDF e-Book) download Ch. 7-7 to solve IGCSE O Level Biology Practice Tests. Learn Effects of Human Activity on Ecosystem MCQ Questions PDF, Deforestation and Pollution Multiple Choice Questions (MCQ Quiz) to study online courses. The Deforestation and Pollution Trivia App Download: Free educational app for deforestation and pollution, spinal cord and nerves, conditions essential for photosynthesis, types of drugs, sensitivity in biology test prep for online college courses.

The Quiz: Consequences of water pollution include; "Deforestation and Pollution" App (iOS, Android) with answers: Burning of fossil fuels; Discharge of untreated sewage; Loss of habitat; Climatic changes; for online college courses. Study Effects of Human Activity on Ecosystem Questions and Answers, Google eBook to download free sample for online college for teaching degree.

Deforestation and Pollution Quiz with Answers PDF Download: MCQs 7

MCQ 31:

Consequences of water pollution include

discharge of untreated sewage
burning of fossil fuels
loss of habitat
climatic changes

MCQ 32:

Carbon dioxide (CO₂) concentration is measured in blood through

biosensors
receptors in lungs
receptors in esophagus
receptors in blood vessels in neck

MCQ 33:

The plant can be de starched in

14 hours
24 hours
42 hours
48 hours

MCQ 34:

All is true for local anesthesia, but,

that it causes local numbness
it causes a loss of sensation in the area being injected
contains Cocaine
cause gastric ulcers

MCQ 35:

Characteristics essential for sensitivity includes

well developed brain
specialized sense organs
well developed nervous system
all of above

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