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A Level Biology MCQs

A Level Biology MCQ PDF - Topics

Biology Questions Answers MCQ Quiz Online

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MCQs on Biology Questions Answers Quiz

MCQ: In tuberculosis, the bacteria usually attack

skin
lungs
heart
limbs

MCQ: All are correct for seeds shedding from the parent plant, except

it can grow right away
it is in a state of dormancy
it has little water content
it is metabolically inactive.

MCQ: The purpose of Hydrophilic R group is to

prevent the enzyme from being denatured at higher temperatures
add the stability of the enzyme
ensure that they are soluble
help protein molecule coil in three dimensional space

MCQ: Well organized transport system needs a

large surface area compared to total volume
smaller surface area compared to total volume
pump to keep fluid moving through them
may rapidly develop carcinogens

MCQ: Emphysema is caused due to

bursting of alveoli only
decrease in the surface area of gas exchange only
tracheal infection
bursting of alveoli and decrease in the surface area for gas exchange