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.
50%
25%
15%
10%
Correct answer is B
No explanation has been provided for this answer.
In humans, sex is determined by
two homologous chromosomes
a dominant gene for maleness present in a male
two similar sex chromosomes in the male and dissimilar in the female
the differences in the nature of the X and Y chromosomes in the male
Correct answer is B
No explanation has been provided for this answer.
The name given to a sudden change in a gene or chromosome that can be passed on to the offspring is
inheritance
linkage
alleles
mutation
Correct answer is D
No explanation has been provided for this answer.
Which of the following is not a morphological variation in human beings?
Size
Blood groups
Colour
Fingerprints
Correct answer is B
No explanation has been provided for this answer.
3 : 1
2 : 1
1 : 3
1 : 2
Correct answer is C
No explanation has been provided for this answer.