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.
AA, aa
Aa, aa
AA, Aa
Aa, Aa
Correct answer is B
Crossing Aa & aa would give 50% normal and 50% albino offspring.
20 chromosomes in the gametes and 10 in the somatic cells
40 chromosomes in the gametes and 20 in the somatic cells
20 chromosomes in the gametes and 40 in the somatic cells
40 chromosomes in the gametes and 40 in the somatic cells
Correct answer is C
No explanation has been provided for this answer.
Which of the following characters is not a morphological variation?
shape of the nose
skin colour
Hair colour
tongue rolling
Correct answer is D
No explanation has been provided for this answer.
The type of variation illustrated above is
continuous variation
discontinuous variation
morphological variation
environmental variation
Correct answer is B
No explanation has been provided for this answer.
Which of the following resources cannot be renewed?
Air
Petroleum
Food crop
Soil
Correct answer is B
No explanation has been provided for this answer.