IGCSE O Level Biology MCQs – Mock Test 40

O Level Biology Questions MCQ with Answers PDF Download – Test 40

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O Level Biology Questions MCQ – Mock Test 40 PDF Download

MCQ 196: Breakage of hydrogen bonds in protein coils results in:

activation of enzymes
denaturation of proteins
expedites the digestive system
inactivation of protein molecules

MCQ 197: Transfer of genes from one species to another can be studied through:

bacteria
vectors
fungi
algae

MCQ 198: Water-soluble vitamins are:

stored in body
excreted by body
released by the body muscles
released by bone-marrow

MCQ 199: Glucose (C₆H₁₂O₆) and fructose (C₆H₁₂O₆) can be obtained if sucrose (C₁₂H₂₂O₁₁) is heated in the presence of:

dilute hydrogen sulphide
dilute hydrogen peroxide
dilute hydrochloric acid
dilute sulphuric acid

MCQ 200: In plants, Ovary is inferior in:

hibiscus
clitoria
sunflower
rose

O Level Biology Questions MCQs App & eBook – IGCSE O Level Biology Entrance Tests

Reproduction in Plants: Pollination MCQs

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Nutrition Vitamins MCQs

Conservation: Renewable Resources MCQs

Anemia and Minerals MCQs

Soil Erosion MCQs

Human Respiration MCQs

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