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 the experimental set-up, the rubber sheet represents the organ called
pleural cavity
lungs
diaphragm
intercostal muscles
Correct answer is C
No explanation has been provided for this answer.
The aim of the experiment is to demonstrate
that in mammal gaseous exchange takes place in the lungs
the part played by the pleural cavity and diaphragm in respiration
that a large amount of oxygen is absorbed by the lungs
the presence of carbon (IV) oxide in the exhaled air
Correct answer is B
No explanation has been provided for this answer.
The experiment is used to demonstrate that
plants lose water through guttation
transpiration occurs through the leaves
water is necessary for photosynthesis
leaves are important to photosynthesis
Correct answer is B
No explanation has been provided for this answer.
In the experiment, the layer of oil serves to prevent water loss
transpiration
evaporation
osmosis
guttation
Correct answer is B
No explanation has been provided for this answer.
The point marked I is referred to as
myelin sheath
dendrites
axon
node of Ranvier
Correct answer is D
No explanation has been provided for this answer.