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 population that exceeds its carrying capacity and then collapses is represented graphically by a
bell-shaped curve
linear curve
sigmoid curve
skewed curve
Correct answer is A
No explanation has been provided for this answer.
A good site for secondary succession would be
a sand dune
a bare rock
a land that has just had forest fire
a stretch of barren land
Correct answer is C
No explanation has been provided for this answer.
The number of individuals that the environment can support over a long period of time is its
growth rate
total capacity
population capacity
carrying capacity
Correct answer is C
No explanation has been provided for this answer.
The teeth which are absent in the young of the organism whose dentition is shown above is labelled
W
X
Y
Z
Correct answer is D
No explanation has been provided for this answer.
The diagrams below show the dentition of an organism. The function of the teeth labelled X is for
biting and grasping
chewing and grinding
tearing and grasping
chewing and tearing
Correct answer is C
Canines are effectively the corners of the mouth and perform the function of ripping and tearing food.