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.
The factors that determine the distribution of vegetation zones are
temperature, light, rain, and humidity
light, humidity, air, and mist
temperature, light, air, and humidity
humidity, snow, frost, and dew
Correct answer is A
No explanation has been provided for this answer.
The legs and beak of an egret resemble those of the heron because they
both feed on fishes
are both birds
occupy a similar niche
occupy the same trophic level
Correct answer is A
No explanation has been provided for this answer.
The disaster that would have the least destructive impact on animal life and balance in nature is
chemical pollution
forest fires
oil spillage
grasshopper pests
Correct answer is D
No explanation has been provided for this answer.
In a food chain, each succeeding level in a forward direction represents
an increase in the number of individuals
a decrease in the number of individuals
an increase in the biomass of individuals
a gain in the total energy being transferred
Correct answer is B
A food chain describes how energy and nutrients move through an ecosystem. At the basic level, there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. After that, when carnivores eat the herbivores, energy is transferred from one to the other.
Which of the following is an adaptation of tropical rainforest species?
Few stomata
Thick bark
Buttress roots
Reduced leaves
Correct answer is C
No explanation has been provided for this answer.