IGCSE O Level Biology Practice Test 247

Pollution: Sewage as Cause Quiz Questions with Answers PDF Download - 247

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Pollution: Sewage as Cause Quiz with Answers PDF Download: MCQs 247

MCQ 1231:

Untreated sewage may cause

outbreak of epidemic
cholera outbreaks
typhoid outbreaks
all of above

MCQ 1232:

Organism that is generated through processes of genetic engineering is classified as

genetically replicated organism
clones organism
mutation organism
genetically modified organism

MCQ 1233:

Lactose (C₁₂H₂₂O₁₁) can be commonly found in

sugar cane
sugar beet
cereals
mammals milk

MCQ 1234:

If the generalized formulae of carbohydrates is C_nH_2mO_m, n and m for sucrose is

n=12 and m=10
n=10 and m=11
n=12 and m=11
n=10 and m=10

MCQ 1235:

All is true for blood pressure, but,

remains the same across whole body
highest in aortic arch
weaker in veins
highest in ventricular systole

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