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 water cycle is maintained mainly by
evaporation of water in the environment
evaporation and condensation of water in the environment
condensation of water in the environment
transpiration and respiration in plants
Correct answer is B
No explanation has been provided for this answer.
The autonomic nervous system consists of neurons that control the
voluntary muscles
heart beat
tongue
hands
Correct answer is B
No explanation has been provided for this answer.
Plant growth can be artificially stimulated by the addition of
gibberellin
kinin
abscisic acid
ethylene
Correct answer is A
No explanation has been provided for this answer.
An example of a fruit that develops from a single carpel is
okro
tomato
bean
orange
Correct answer is C
No explanation has been provided for this answer.
Which of the following is involved in secondary thickening in plants?
Collenchyma and xylem cells
Vascular cambium
Cork cambium and sclerenchyma
Vascular cambium and cork cambium
Correct answer is D
No explanation has been provided for this answer.