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 pollutants that contribute to the depletion of the ozone layer in the atmosphere are
radioactive materials
oxides of sulphur
oxides of carbon
chlorofluorocarbons
Correct answer is D
No explanation has been provided for this answer.
A cross between an albino female and a genetically normal male will result in offspring that are
all albino
all phenotypically normal
all genetically normal
half albino and half normal
Correct answer is B
No explanation has been provided for this answer.
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.