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.
reclaiming the land
converting mining pits into fish ponds
resettling indigenous inhabitants
educating people
Correct answer is B
No explanation has been provided for this answer.
The speed of the flow of water in a river is faster in the middle than along the banks due to
differences to turbidity at different parts of the river
the abundance of fishes and other organisms along the bank
reduced force of gravity in the middle portion of the river
resistance offered by the wall of the banks
Correct answer is D
No explanation has been provided for this answer.
Shrubs do not survive on newly weathered soils because
the top soil is shallow
drainage on such soil is poor
humus is absent from the soil
the soil tends to be sandy
Correct answer is A
No explanation has been provided for this answer.
Pond weeds normally lack thick layers of cuticle because
their system of photosynthesis is not efficient
there is no danger of becoming desiccated
their leaves are either dissected or bone-shaped
there are numerous stoma a on their upper epidermis
Correct answer is B
No explanation has been provided for this answer.
Which of the following statements about the transfer of energy in the ecosystem is correct?
energy increases at high trophic levels
More organisms can be supported at higher levels
There are fewer organisms at top tropic levels
Energy is lost at each trophic level
Correct answer is D
No explanation has been provided for this answer.