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.
Adenine pairs with thymine because
the two occur in the same nucleic acid
one is a strong base and the other a weak base
two purine bases easily pair up
one is a purine base and the other a pyrimidine
Correct answer is D
No explanation has been provided for this answer.
Which of the following components of Larmark’s theory of evolution is considered faulty?
Individuals of the same species growing under different environmental conditions differ from each other
Using certain organs result in development of those parts
Unused organs degenerate
Changes that result in individuals of the same species are transmitted to offspring
Correct answer is D
No explanation has been provided for this answer.
Natural selection is a consequence of
distribution of organisms
adverse conditions
variation in organisms
inbreeding
Correct answer is B
No explanation has been provided for this answer.
A
O
B
AB
Correct answer is A
No explanation has been provided for this answer.
0%
25%
50%
75%
Correct answer is A
No explanation has been provided for this answer.