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.
In a typical freshwater habitat, the edge of the stream or pond constitutes the
tidal zone
intertidal zone
littoral zone
euphotic zone
Correct answer is C
No explanation has been provided for this answer.
Which of the following associations is an example of mutualism
hydra viridis and zoochlorellae
human and lice
shark and remora fish
bread and rhizopus stolonifer
Correct answer is A
Mutualism describes a type of mutually beneficial relationship between organisms of different species. It is a symbiotic relationship in which two different species interact with and in some cases, totally rely on one another for survival. Zoochlorellae often colour their hosts green while the feeding of the hydra aids in the growth of the algae.
The major consequence of bush burning in an ecosystem is
the loss of water
the loss of biological diversity
a decrease in animal population
an increase in soil fertility
Correct answer is B
No explanation has been provided for this answer.
The transmission of impulses along a nerve fibre is characterized by
hormonal and temperature changes
electrical and ionic changes
hormonal changes
electrostatic changes
Correct answer is B
No explanation has been provided for this answer.
During ovulation, an egg is released from the
corpus luteum
ovarian funnel
graafian follicle
fallopian tube
Correct answer is C
No explanation has been provided for this answer.