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.
A climax community is characterised by
a stable composition of plant and animal species
rapid changes in the composition of species
constant changes in appearance of the habitat
different species occurring at different times
gradual change in animal population
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not an adaptation of plants or animals to a desert environment?
Well developed tap root system
small leaves with thick epidermis
Stems with spike-like leaves
Metabolic waste in the form of uric acid in some animals
Broad leaves for storage
Correct answer is E
No explanation has been provided for this answer.
In which of the following processes is carbondioxide not given out?
respiration in plants
decay of organisms
burning organic matter
burning fuels
during photosynthesis
Correct answer is E
No explanation has been provided for this answer.
Which of the following explains the term pyramid of numbers?
the number of organisms in a trophic level
the relationship between plants in different trophic levels
the number of saprophytes and parasites in a habitat
the number of predators in a habitat
progressive decrease in the number of individuals from lower to higher trophic level
Correct answer is E
No explanation has been provided for this answer.
The following are features of Northern Guinea Savanna except
presence of tall trees with thick bark
bare soil with very few trees
presence of fire-resistant trees
abundant herbivores
predominance of woody trees
Correct answer is A
No explanation has been provided for this answer.