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.
35%
50%
75%
100%
Correct answer is B
No explanation has been provided for this answer.
1 : 2: 1
1 : 1
3 :1
2 : 1
Correct answer is B
No explanation has been provided for this answer.
two chromatids joined at the centromere
Two chromatids joined at the spindle
Two chromatin threads joined at the centrioles
thread-like structures not joined together
Correct answer is A
No explanation has been provided for this answer.
The woman cannot produce male children
The man has a low sperm count
The Y component of the man’s sex chromosome was always involved
The X component of the man’s sex chromosome was always involved
Correct answer is D
No explanation has been provided for this answer.
In artificial selection, individuals without desirable traits may be prevented from mating by
outbreeding
sterilization
inbreeding
genetic engineering
Correct answer is B
No explanation has been provided for this answer.