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.
What path does sound entering the human ear follow?
Oval window → ossicle → ear drum
Ear drum → oval window → ossicle
Ear drum → ossicle → oval window
Ossicle → ear drum → oval window
Correct answer is C
No explanation has been provided for this answer.
When it is cold, the blood vessels of the skin
dilates to increase the amount of blood flowing
constrict to reduced the amount of blood flowing to the skin
dilate to reduce the amount of blood flowing to the skin
constrict to increase the amount of blood flowing to the skin
Correct answer is B
No explanation has been provided for this answer.
In the mammal, the autonomic nervous system consists of
sympathetic and parasympathetic system
brain and spinal nerves
brain and cranial nerves
spinal cord and spinal nerves
Correct answer is A
No explanation has been provided for this answer.
The main function of the petal of a flower is to
attract pollination agents
protect the flower while still in bud
serve as landing stage for insects
protect the inner paisr from desiccation
Correct answer is A
No explanation has been provided for this answer.
The bright colours of the comb and feathers in the peacock are for
sex differenciation
beauty
courtship
defence
Correct answer is C
No explanation has been provided for this answer.