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 disease is sex-linked and mainly afflicts male offspring?
Sickle cell anaemia
Haemophilia
Diabetes
Malaria
Correct answer is B
No explanation has been provided for this answer.
If two parents are sickle cell carriers then their genotypes would be
HbA HbA and HbS HbS
HbS BbS and HbS BbS
HbA HbS and HbA HbS
HbA HbA and HbA HbA
Correct answer is C
No explanation has been provided for this answer.
Purple
Pink
White
Yellow
Correct answer is B
No explanation has been provided for this answer.
A person with blood group B can only donate blood to individuals with blood groups
A and B
B and AB
O only
B only
Correct answer is B
No explanation has been provided for this answer.
Which of the following is an example of physiological variation?
Blood groups
Skin colour
Finger prints
Human height
Correct answer is A
No explanation has been provided for this answer.