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.
Which of the following best describes a marine habitat? A large body of water
that has no distinctive colour or taste
with high salt concentrations
with few suspended materials
with no water weeds
that doesn't sustain animal life
Correct answer is B
No explanation has been provided for this answer.
The process where microorganisms convert atmospheric nitrogen into nitrogenous compounds is
known as
nitrogen cycle
nitrogen fixation
denitrification
putrefaction
decomposition
Correct answer is B
No explanation has been provided for this answer.
Which of the following is not a courtship behaviour exhibited by animals?
Pairing
Display
Seasonal migration
Hibernation
Territorialism
Correct answer is D
No explanation has been provided for this answer.
There is an excess of potassium ions inside the axon and an excess of sodium ions outside
The inside of the axon becomes positively charged while the outside is negatively charged
There is an excess of sodium ions on the inner side of the axon
Chloride and potassium ions begin to move across the membrane
Calcium ions accumulate on the inner side of the axon
Correct answer is A
No explanation has been provided for this answer.
Which of the following organs is associated with protein deamination?
Lung
Stomach
Kidney
Liver
Heart
Correct answer is D
No explanation has been provided for this answer.