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.
Which of the following does not illustrate adaptation to the environment ?
Colour changes chameleons
Streamlined shape of fishes
Light bones in birds
a weightlifter developing huge muscles
Possession of fins by fishes
Correct answer is D
No explanation has been provided for this answer.
Sickle cell anaemia
Haemophilia
Diabetes mellitus
Colour blindness
River blindness
Correct answer is A
No explanation has been provided for this answer.
Identical twins inherit their genes from
the same ovum and different sperms
the same sperm and different ova
different sperms and many ova
the same ovum and the same sperm
many ova and many sperms
Correct answer is D
No explanation has been provided for this answer.
One of the major criticisms against Mendelian laws is that they do not recognise that
one trait is often controlled by many pairs of genes
single factor inheritance is never a reality
complete dominance is always possible
incomplete dominance is not possible
hybrids exist in living organisms
Correct answer is A
No explanation has been provided for this answer.
One of the factors that must be considered for safe blood transfusion is
social class of the donor
age of the recipient
rhesus factors of the donor and the recipient
nationality of the donor
weight of the recipient
Correct answer is C
No explanation has been provided for this answer.