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?
The chameleon's ability to change colour
Fish's streamlined shape
Light bones in birds
Big muscles due to weightlifting
Fish with fins
Correct answer is D
No explanation has been provided for this answer.
Which of the following is a function of the chromosome?
Transmitting hereditary traits
Protein synthesis
Excretion
Energy production
Enzyme manufacture
Correct answer is A
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.
The offspring produced when pure strains interbreed is described as
dominance
phenotype
allele
genotype
hybrid
Correct answer is E
No explanation has been provided for this answer.
The role of bacteria in the nitrogen cycle includes the following except
fixing atmospheric nitrogen
converting ammonia to nitrites
converting nitrites to nitrates
converting carbohydrates to carbondioxide
causing the decay of dead organisms
Correct answer is D
No explanation has been provided for this answer.