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.
Which of the following is a major cause of variation among organisms?
Inbreeding
Backcrossing
Sexual reproduction
Gene dominance
Correct answer is D
No explanation has been provided for this answer.
Which of the following is the most advanced evolutionary development in plants?
possession of unicellular structures
development of flowers
dispersal of spores
development of secondary thickening
Correct answer is B
No explanation has been provided for this answer.
The abilty of a chameleon to change its colour is an adaptive feature for
attraction
defence
display
attack
Correct answer is B
No explanation has been provided for this answer.
A major adaptive feature of endoparasites is the
loss of the organ of movement
presence of claws
loss of the central nervous system
presence of piercing mouthparts
Correct answer is A
No explanation has been provided for this answer.
Genetically modified food products have not become universally accepted because
they are not as tasty as others produced by conventional means
they are often costlier than those produced by conventional means
their effects on human consumers are not yet fully understood
the technology can be applied only in developed countries
Correct answer is C
No explanation has been provided for this answer.