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.
Blood in mammals transports oxygen because it contains the pigment called
haemoglobin
chlorocruorin
melanin
haemocyanin
haemoerythrin
Correct answer is A
No explanation has been provided for this answer.
Which of the following is the function of the hormone in the lslets of Langerhans?
is used in protein metabolism
is involved in sugar synthesis
aids the rate at which glucose is converted to glycogen
controls the fluid content of the body
plays a role in the pH balance of the body fluid
Correct answer is C
No explanation has been provided for this answer.
Which of the following is the correct route for the movement of materials through the kidney?
Glomerulus → Bowman’s capsule → Loop of Henle → Collecting tubule → Pelvis
Glomerulus → Loop of Henle → Collecting tubule → Bowman’s capsule → Pelvis
Pelvis → Bowman’s capsule → Glomerulus →Loop of Henle → Collecting tubule
Bowman’s capsule → Glomerulus → Loop of Henle → Collecting tubule → Pelvis
Bowman’s capsule → Loop of Henle →Glomerulus → Collecting tubule → Pelvis
Correct answer is A
No explanation has been provided for this answer.
Which of the following statements is not true of the osmotic process?
There must be a selectively permeable membrane
The two solutions must be of different concentrations initially
it involves only the movement of water molecules
Equilibrium is reached when there is equal distribution of water molecules
The two solutions are of equal concentration at the beginning of experiment.
Correct answer is E
No explanation has been provided for this answer.
I
II
III
IV
V
Correct answer is C
No explanation has been provided for this answer.