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.
Soil microorganisms are beneficial because of their involvement in
photosynthesis
translocation
cycling nutrients
respiration using soil air
Correct answer is C
No explanation has been provided for this answer.
The sequence of the biomes in Nigeria from Portharcourt to Damaturu is
estuarine → rain forest → Guinea Savannah → Sahel Savannah
rain forest → Guinea savannah → estuarine → desert
estuarine → Guinea savannah → rain forest → Sahel savannah
rain forest → estuarine → Guinea savannah → desert
Correct answer is A
No explanation has been provided for this answer.
Fresh water plants such as the water lily solve the problem of buoyancy by possessing
aerenchymarous tissues
dissected leaves
thin cell walls of the epidermis
water-repelling epidermis
Correct answer is A
No explanation has been provided for this answer.
The condition that encourages denitrification is
low soil oxygen
high soil nitrogen
absence of soil bacteria
lightening and thunderstorm
Correct answer is A
No explanation has been provided for this answer.
An increase in biomass
A decrease in the efficiency
An increase in the total numbers of resulting individuals
A decrease in the resulting biomass
Correct answer is D
No explanation has been provided for this answer.