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 state in Nigeria that is most susceptible to desert encroachment is
Kwara
Taraba
Kaduna
Katsina
Correct answer is D
No explanation has been provided for this answer.
One adaptation of reptiles to water loss is the presence of
keratinous scale
claws on limbs
long tails
long sticky tongues
Correct answer is A
No explanation has been provided for this answer.
The progressive loss of energy at each level in a food chain leads to
an increase in biomass at each successive level
a decrease in biomass at each successive level
an increase in the number of organism at each successive level
an increase in the total number of organisms at each successive level
Correct answer is B
No explanation has been provided for this answer.
saprophytism
mutualism
parasitism
commensalism
Correct answer is B
No explanation has been provided for this answer.
A caterpillar and an aphid living in different parts of the same plant can be said to
occupy the same ecological niche
be in different habitat
occupy different ecological niche
be in the same microhabitats
Correct answer is C
The caterpillar and the aphids occupy two different spaces or parts of the plant. Hence they occupy different ecological niches.