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.
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Correct answer is B
The father is heterogeneous; pointed eyebrows Bb
Which of the following statements about sickle cell anaemia is correct?
it is caused by sex-linked genes
it is more common in males than in females
two sickle cell carrier parents may have a sickling child
it is caused by recessive genes
Correct answer is C
No explanation has been provided for this answer.
Plants suitable for experiments in genetics must not
produce numerous seeds within a short time
have a small number of chromosomes
have a relatively short life cycle
produce one generation in a large period
Correct answer is D
No explanation has been provided for this answer.
A mixture of blood with antigen A and blood containing antibody A will
lead to agglutination
facilitate dissolution of clot
have no effect on blood composition
change the blood group
Correct answer is A
No explanation has been provided for this answer.
Which of the following statements about mitosis is not correct?
chiasmata are not formed
Bivalents are not formed
It does not lead to variation
Four daughter cells are produced
Correct answer is D
No explanation has been provided for this answer.