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.
0.09
0.90
9.00
90.00
Correct answer is B
No explanation has been provided for this answer.
The salinity of a brackish habitat________
increases immediately after rainfall
increases at the end of the rain
decreases with an increase in the number of organisms
increases during the dry season
Correct answer is D
No explanation has been provided for this answer.
The conversion of ammonium salts into nitrates is called_______
putrefaction
denitrification
fixation
nitrification
Correct answer is D
No explanation has been provided for this answer.
Tooth decay is usually caused by___________
undigested and absorbed food
eating a limited amount of sweetened food.
the bacteria ín the mouth that metabolize sugar to acids
eating a lot of proteinous foods
Correct answer is C
No explanation has been provided for this answer.
The digestion of proteins starts in the______
small intestine
stomach
large intestine
mouth
Correct answer is B
No explanation has been provided for this answer.