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 mineral nutrient that easily gets leached out of the soil is
phosphorus
calcium
magnesium
nitrate
Correct answer is D
No explanation has been provided for this answer.
The hepatic portal vein is unique because it
carries deoxygenated blood
begins and ends with capillaries
is the largest vein in mammals
carries digested food
is the shortest vein in mammals
Correct answer is D
No explanation has been provided for this answer.
The mineral nutrient that is most bound to the soil is
phosphorus
calcium
iron
potassium
Correct answer is C
No explanation has been provided for this answer.
A plant which has a horizontal underground stem is
rhizome
corm
creeper
tuber
bulb
Correct answer is A
No explanation has been provided for this answer.
It is black
it can supply usable nutrients to plants
the oxygen content is very high
artificial manure is added to it
it is not waterlogged
Correct answer is B
No explanation has been provided for this answer.