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O Level Biology Practice Test 7

Deforestation and Pollution Quiz Answers PDF - 7

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Biology Quiz Online: Deforestation and Pollution MCQs PDF Download - 7

MCQ: Consequences of water pollution include

A) discharge of untreated sewage
B) burning of fossil fuels
C) loss of habitat
D) climatic changes

MCQ: Carbon dioxide (CO2) concentration is measured in blood through

A) biosensors
B) receptors in lungs
C) receptors in esophagus
D) receptors in blood vessels in neck

MCQ: The plant can be de starched in

A) 14 hours
B) 24 hours
C) 42 hours
D) 48 hours

MCQ: All is true for local anesthesia, but,

A) that it causes local numbness
B) it causes a loss of sensation in the area being injected
C) contains Cocaine
D) cause gastric ulcers

MCQ: Characteristics essential for sensitivity includes

A) well developed brain
B) specialized sense organs
C) well developed nervous system
D) all of above

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