How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
contraction of arteries to let out blood
contraction of veins to allow blood into them
dilation of arteries to accommodate blood rushing through
pumping action of the heart to move blood round the body
Correct answer is D
No explanation has been provided for this answer.
The inorganic components of bone consist of
magnesium, sodium, and calcium
magnesium, phosphorus, and calcium
sodium, phosphorus, and calcium
potassium, magnesium, and calcium
Correct answer is B
No explanation has been provided for this answer.
The axial skeleton is composed of the
skull and vertebral column
limbs and girdles
atlas and axis
radius and ulna
Correct answer is A
No explanation has been provided for this answer.
Excretion in Paramecium sp. is by diffusion because
its habitat is water and moist places
it has simple, small, and few internal organs
it has a large surface area to volume ratio
it has a large efficient meganucleus
Correct answer is C
No explanation has been provided for this answer.
In cellular respiration, energy is made available to organisms by
removal of a phosphate group from ADR
breaking off a phosphate group from ATP
adding a phosphate group to glucose
breaking off a hydrogen ion from NADPH
Correct answer is B
No explanation has been provided for this answer.