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.
Which of the following behaviours is correctly matched with the corresponding diseases?
Smoking cigarette / Liver cirrhosis. Lung cancer, AIDS
Having multiple sexual partners / liver cirrhosis, syphilis, AIDS.
Living near dirty gutter / Lung cancer, syphilis, river blindness.
Eating uncooked meat/dysentery, cholera. food poisoning.
Correct answer is D
No explanation has been provided for this answer.
When a large number of organisms share limited resources, the result is
mutualism
extinction
commensalism
competition
Correct answer is D
No explanation has been provided for this answer.
mutualism
commensalism
parasitism
predation
Correct answer is C
No explanation has been provided for this answer.
Which of the following features is a characteristic of aquatic plants?
multiple epidermis
heavily lignified tissue
finely divided leaves
succulent stem
Correct answer is D
No explanation has been provided for this answer.
grasshoppers would decrease
hawks would increase
grasshoppers would increase
grasses available to grasshoppers
Correct answer is C
No explanation has been provided for this answer.