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O Level Biology Practice Test 247

Pollution: Sewage as Cause Quiz Answers PDF - 247

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Biology: Pollution: Sewage as Cause MCQs Quiz PDF Download

MCQ: Untreated sewage may cause

A) outbreak of epidemic
B) cholera outbreaks
C) typhoid outbreaks
D) all of above

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

A) genetically replicated organism
B) clones organism
C) mutation organism
D) genetically modified organism

MCQ: Lactose (C12H22O11) can be commonly found in

A) sugar cane
B) sugar beet
C) cereals
D) mammals milk

MCQ: If the generalized formulae of carbohydrates is CnH2mOm, n and m for sucrose is

A) n=12 and m=10
B) n=10 and m=11
C) n=12 and m=11
D) n=10 and m=10

MCQ: All is true for blood pressure, but,

A) remains the same across whole body
B) highest in aortic arch
C) weaker in veins
D) highest in ventricular systole

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