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.
A band of connective tissue linking two bones in a joint is known as a
tendon
cartillage
synovial membrane
ligament
Correct answer is D
No explanation has been provided for this answer.
The process of deamination is essential for
protein digestion
bile secretion
urea formation
antibody formation
Correct answer is A
Deamination is the removal of an amine group from a molecule of amino acid. The enzymes that are in general responsible for this reaction are called deaminases.In humans, deamination takes place primarily in the liver, however glutamate is also deaminated in the kidneys. In situations of excess protein intake, deamination is used to break down amino acids for energy.
Stomatal pores open when there is
an increase in the sugar content of guard cells
a decrease in the osmotic concentration of the guard cell
a decrease in the sugar content of mesophyll cells
an increase in the sugar content of mesophyll cells
Correct answer is A
No explanation has been provided for this answer.
Anaerobic respiration differs from aerobic respiration by the production of
less energy and water
greater energy and alcohol
less energy and alcohol
greater energy and water
Correct answer is C
No explanation has been provided for this answer.
The element that is essential for the coagulation of blood is
potassium
calcium
phosphorus
iron
Correct answer is B
No explanation has been provided for this answer.