IGCSE O Level Biology MCQs – Practice Test for Exam Prep

O Level Biology Questions Multiple Choice Questions with Answers – PDF Download

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Free "O Level Biology Questions" App Download with MCQ: Desertification is caused due to; with answers: overgrazing, topsoil is eroded, and rapid water evaporation from the soil to improve laboratory skills. Practice O Level Biology Questions Quiz Questions, download Google e-Book (Free Chapter) to advance remote instruction.

O Level Biology Questions MCQs PDF Download – Prep Test

MCQ 1: Desertification is caused due to:

overgrazing
topsoil is eroded
rapid water evaporation from the soil
all of above

MCQ 2: Breakage of hydrogen bonds in protein coils results in:

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

MCQ 3: Dietary imbalances cause:

malnutrition
starvation
obesity
high cholesterol

MCQ 4: Advantages of seed dispersal includes:

less spread of disease
plants colonizing new habitats
prevention of overcrowding of plants in same habitat
all of above

MCQ 5: Starch (C₆H₁₀O₅)_n is digested to form maltose (C₁₂H₂₂O₁₁) through enzyme:

maltase
amylase
diastase
sucrose

IGCSE O Level Biology MCQs App & e-Book – O Level Biology Questions Practice Tests

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