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.
Cholera
Bilharzia
River blindness
Malaria
Sleeping sickness
Correct answer is A
Cholera is a water-borne disease hence, it cannot be contacted by the farmer.
Tap water
a very strong sugar solution
a weak sugar solution
a very weak salt solution
distilled water
Correct answer is B
When a plant cell is put in highly concentrated solution, it increases the pressure on the cell. Hence, plasmolysis holds in a highly concentrated solution.
The mammalian stomach can carry out a number of processes except
absorption of glucose
secretion of hydrochloric acid
secretion gastric juice
churning of food
production of trypsin
Correct answer is E
Trypsin is a serine protease from the PA clan superfamily, found in the digestive system of many vertebrates, where it hydrolyzes proteins. Trypsin is formed in the small intestine.
15 secs
30secs
25secs
20secs
28secs
Correct answer is B
No explanation has been provided for this answer.
which of these elements in plants is required in small quantities only
Boron
Nitrogen
Phosphorus
Magnesium
Potassium
Correct answer is A
Boron (B) is not required by plants in high amounts, but can cause serious growth problems if it is not supplied at appropriate levels.