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IGCSE O Level Biology Practice Test 188

Mineral Salts MCQ Questions and Answers PDF - 188

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Mineral Salts MCQ with Answers PDF Download: Quiz 188

MCQ 936: Ability to withstand fluctuations in salt concentration is more in

A) fresh water organisms
B) sea water organisms
C) brackish water organisms
D) muddy water organisms

MCQ 937: First use of pure microbiological process in an industrial procedure was made by

A) Alexander Fleming
B) Louis Pasteur
C) Charles Darwin
D) Chaim Weizmann

MCQ 938: Chronic Obstructive lung disease occurs because of

A) Chronic bronchitis only
B) Emphysema only
C) Asthma
D) Chronic bronchitis and Emphysema

MCQ 939: Unsaturated fatty acid chains bend at places of

A) carbon molecules
B) hydrogen molecules
C) oxygen molecules
D) nitrogen molecules

MCQ 940: Tadpole shaped viruses are largely

A) tobacco mosaic virus
B) bacteriophages
C) influenza virus
D) may cause death

IGCSE O Level Biology Exam Prep Tests

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