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 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.
The structure can be found in the
Sympathetic and parasympathetic nervous systems
Peripheral and central nervous system
Peripheral nervous system only
Central nervous system only
Correct answer is B
No explanation has been provided for this answer.
If the pair of alleles for baldness is given as Bb, a female carrier will be denoted by
XbYB
XBXB
XBY
XBbXb
Correct answer is D
No explanation has been provided for this answer.