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.
What is the result of placing a red blood cell in a hypertonic solution ?
crenation
haemolysis
osmosis
plasmolysis
wilting
Correct answer is A
No explanation has been provided for this answer.
Two identical twin boys had different fingerprints. This proves that
the fingerprint is a sex-linked character
the genotypes of the twins are similar
the phenotypes of the twins are similar
there are morphological variations
there are physiological variations in the twins
Correct answer is D
Morphological variation includes aspects of the outward appearance i.e shape, structure, color, pattern, and size.
The part of the fruit which serves a protective function is called
endocary
epicarp
mesocarp
pericarp
testa
Correct answer is B
No explanation has been provided for this answer.
The modern method of classifying living things is based on a similarity of
colour
habitat
shape
size
structure
Correct answer is E
No explanation has been provided for this answer.
Which of the following is NOT a natural source of energy?
coal
electricity
food
sun
water
Correct answer is B
No explanation has been provided for this answer.