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 cell of an onion bulb can be differentiated from a cheek cell by the presence of
plasmalemma
chloroplast
cell wall
nucleus
Correct answer is C
No explanation has been provided for this answer.
A characteristic that can possibly be shared by both living and non-living organisms is
locomotion
irritability
increase in biomass
increase in size
Correct answer is D
Both living and non-living things have the ability to increase in size.
Regarding the number of individuals, which of the following taxa is most inclusive?
order
family
class
species
Correct answer is C
No explanation has been provided for this answer.
An example of a sex linked trait is the
ability to grow long hair in females
skin colour in humans
ability to roll the tongue
possession of facial hair in adult humans
Correct answer is D
No explanation has been provided for this answer.
which of the following is true of cloning?
it is welcomed as an ethical and morally sound science
only one cell of the original organism is needed to initiate the process
the clone is similar to but not exactly like the original organism
it involves the asexual multiplication of the tissues of the original organism
Correct answer is D
No explanation has been provided for this answer.