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.
AA, Aa
AA, aa
Aa, Aa
Aa, aa
AA,AA
Correct answer is D
No explanation has been provided for this answer.
Which of the following major ideas were proved by Gregor Mendel?
There is a tendency among organisms `to increase rapidly in number if conditions are favourable
There is a struggle for existence among a very large number of offspring
Nature selects organisms which will survive to produce their kind
All species exhibit structural and functional variations
Characteristics of an organism are controlled by genes occurring in pairs
Correct answer is E
No explanation has been provided for this answer.
Which of the following is not part of the objectives of conservation of natural resources?
To eliminate wild animals in order to enable other plants and animals survive
To use our resources on sustained yield basis
To guard against indiscriminate killing of plants and animals
To guard against the extinction and exhaustion of natural resources
To protect the environment
Correct answer is A
No explanation has been provided for this answer.
Use of nets with all sizes of mesh
Use of nets with a particular mesh size
Ban on harvesting of some species
Regulating the size of ships allowed into fishing grounds
Limiting the period of fishing in the waters
Correct answer is A
No explanation has been provided for this answer.
A constituent of the exhaust gases of motor vehicles that cause serious air pollution is
water vapour
carbondioxide
carbon monoxide
oxygen
ozone
Correct answer is C
No explanation has been provided for this answer.