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.
phenotypic
discontinuous
continuous
genotypic
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about mutation is true?
The genotype is not affected
The genotype is affected
The phenotype is not affected
It cannot be induced by artificial means
Correct answer is B
No explanation has been provided for this answer.
Which of the following is not a means of conservation?
Controlling excessive deforestation
Prevention of poaching
Replacing harvested mature trees with seedlings
Burning of vegetation before cropping
Correct answer is D
No explanation has been provided for this answer.
Conservation of wild life is necessary mainly because
wild species cannot resist disease better than their domesticated species
many predator wild animals help in control of pests
many people derive pleasure from observing wild animals
it helps to prevent extinction of species
Correct answer is D
No explanation has been provided for this answer.
Algal bloom depletes oxygen content of bodies of water polluted by
industrial effluents
thermal plant discharge
raw sewage disposal
crude oil spillage
Correct answer is C
No explanation has been provided for this answer.