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 type of vegetative reproduction illustrated in the diagram above is
grafting
adventitious bud
sucker
aerial layering
Correct answer is B
No explanation has been provided for this answer.
Which of the following is not true about gene mutation? It
introduces new traits into a population
causes changes in the DNA
may have unnoticeable effect on the phenotype
always affects the chromosome number
is a source of new genes
Correct answer is D
No explanation has been provided for this answer.
The female gamete is represented by
I
II
III
IV
Correct answer is C
No explanation has been provided for this answer.
Species can be defined as the group of organisms that
resemble each other and live in the same habitat
are of common origin and are always found together
resemble each other and can interbreed freely
resemble each other and occupy the same niche
are of common origin but cannot interbreed freely
Correct answer is C
No explanation has been provided for this answer.
The change in colour of the chameleon serves to
attract it to the opposite sex
repulse the enemy
camouflage it from a predator
regulate the body temperature
produce a variety of skin pigments
Correct answer is C
No explanation has been provided for this answer.