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.
The property of clay soil that prevents it from supporting thick vegetation is its
possession of chemically weathered granite rocks
inability to retain much water
tendency of becoming waterlogged
porosity and low water retention ability
high capillary spaces between the soil particles
Correct answer is C
No explanation has been provided for this answer.
Lamarck’s evolution theory can be summarised by one of these statements
only the fittest can survive in a challenging environment
species that are unable to adapt become extinct
new characteristics do not arise in organisms when needed
the changing environment imposes structural, physiological, and behavioural changes in organisms
in a changing and unstable environment, nature rejects the weak
Correct answer is D
No explanation has been provided for this answer.
The swarming especially at the beginning of the rainy season is a courtship behaviour shown by?
migratory birds
pigeons
crickets
winged termites
bees
Correct answer is D
At certain times of the year, termite colonies produce “swarmers”--the winged adults that fly away to form their own colonies.
The division of labour in social insects is an example of
structural adaptation
physiological adaptation
commensalism
behavioural adaptation
hormonal influence
Correct answer is D
No explanation has been provided for this answer.
The chameleon's ability to blend in with the colour of its environment is an example of
adaptive radiation
protective coloration
courtship display
display of body colour
territorial behaviour
Correct answer is B
No explanation has been provided for this answer.