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.
During thunderstorms the energy of lightning discharge causes
oxygen and nitrogen to combine
more carbon dioxide to be formed
nitrites to be converted to nitrates
nitrates to be converted to nitrogen
death
Correct answer is A
No explanation has been provided for this answer.
If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome
X
XY
XX
YY
Y
Correct answer is A
No explanation has been provided for this answer.
lowest in the tube with clay
the same in all tubes
lowest in the tube with loamy soil
highest in the tube with sandy soil
lowest in the tube with sandy soil
Correct answer is E
No explanation has been provided for this answer.
Ecosystem
Food chain
Food web
Succession
Community
Correct answer is D
No explanation has been provided for this answer.
The center which controls respiratory activities the mammalian brain is the
cerebrum
olfactory lobe
pituitary organ
cerebellum
medulla
Correct answer is E
No explanation has been provided for this answer.