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.
In dissection, the rib cage of a mammal has to be opened to expose the
diaphragm
liver
heart
sternum
Correct answer is C
No explanation has been provided for this answer.
The lymphatic system of mammals rejoins the blood circulatory system at the
hepatic vein
subclavian vein
renal vein
common iliac vein
Correct answer is B
No explanation has been provided for this answer.
Yellowing leaves is a symptom associated with a deficiency in
iron, calcium, and magnesium
nitrogen, sulphur, and potassium
sulphur, phosphorus, and iron
magnesium, nitrogen, and iron
Correct answer is D
No explanation has been provided for this answer.
The force that holds water together in the form of a stream within the xylem tube is the
cohesion of water molecules to one another by hydrogen bonds
force of gravity attacking the water molecules through the hydrogen bonds
attraction between the water and xylem osmotic force
normal flow of water from the ground with help of gravitational force
Correct answer is A
No explanation has been provided for this answer.
The richest source of vitamin A are
palm oil and groundnut oil
palm oil and carrot
rice and groundnut oil
oranges and carrot
Correct answer is B
No explanation has been provided for this answer.