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 activity of ptyalin is likely to decrease with an increase in concentration of
oxygen
starch
protein
acid
Correct answer is D
No explanation has been provided for this answer.
The nitrifying bacteria, Nitrosomonas, converts ammonia to
nitirites
nitric acid
nitrates
nitrous oxide
Correct answer is A
No explanation has been provided for this answer.
The dental formula 13/3 c1/1 pm4/4 m2/3 is that of a
goat
rabbit
man
dog
Correct answer is D
No explanation has been provided for this answer.
magnesium
nitrogen
potassium
phosphorus
Correct answer is C
No explanation has been provided for this answer.
Which is the most important adaptation of a bony fish life in water?
The possession of a streamlined shape
The presence of overlapping scales
the covering of the body by a thin film of slime
The possession of a caudal fin
Correct answer is A
No explanation has been provided for this answer.