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 reason why the flow of blood through the capillaries is very slow is
because the walls of Capillaries are very thick
to avoid high blood pressure
to ensure that the individual does not get dizzy
Their large numbers and one cell-thick walls enables them to provide a large surface area through which materials can be exchanged between the blood and the body cells
Correct answer is D
Their large numbers and one cell-thick walls enables them to provide a large surface area through which materials can be exchanged between the blood and the body cells.
Which of the following structures is not a skeletal material?
Chitin
Cartilage
Bone
Muscle
Correct answer is D
No explanation has been provided for this answer.
The longest bone in the body is the
humerous
femur
scapula
tibia
Correct answer is B
No explanation has been provided for this answer.
The overall reaction in glycolysis can be summarised as
C6 H12 O6 -----> C3 H4 O6+ 4H + ATP
C6 H12 O6 -----> 2C3 H4 O6 + 4H + 2ATP
C6 H12 O6 -----> 2C3 H4 O6 + 4H + ADP
C6 H12 O6 -----> 2C3 H4 O6 + 4H + 2ADP
Correct answer is B
No explanation has been provided for this answer.
The curvature movement of plants in response to the stimulus of water is called
hydrotropism
geotropism
Phototropism
thigmotropism
Correct answer is A
No explanation has been provided for this answer.