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 correct route for a piece of bread eaten by a mammal is
oral cavity - oesophagus - stomach - ileum - rectum
oral - cavity - stomach - oesophagus - duodenum - ileum - rectum
oral cavity - oesophagus - duodenum - rectum
oral cavity - oesophagus - ileum - stomach - duodenum - rectum
oral cavity - oesophagus - stomach - ileum - duodenum - rectum
Correct answer is A
No explanation has been provided for this answer.
Most commercial fertilizers are rich in salts of
sodium, iron, and calcium
nitrogen, phosphorus, and potassium
iron, copper, and nitrogen
calcium, sodium, and phosphorus
Correct answer is B
No explanation has been provided for this answer.
The functional unit of a mammalian kidney is the
urethra
malphigian capsule
glomerulus
nephron
ureter
Correct answer is D
No explanation has been provided for this answer.
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.