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 name is given to a sudden change in a gene or chromosome?
Allele
Genotype
Mutation
Phenotype
Correct answer is C
No explanation has been provided for this answer.
2 in 2
1 in 3
1 in 4
1 in 5
Correct answer is C
No explanation has been provided for this answer.
1 black : 1 grey : 2 whites
1 black : 3 whites
1 black : 2 blues : 1 white
3 blacks : 1 white
Correct answer is D
No explanation has been provided for this answer.
In the structure of DNA, which of the following statements is true?
The double helix are held together by covalent bonds
Nucleotide is made up of ribose, phosphate and an organic nitrogen compound
Guanine is the opposite of cytosine
Adenine is the opposite of cytosine
Correct answer is C
No explanation has been provided for this answer.
75% red and 25% white
50% red and 50% white
100% white
100% red
Correct answer is A
No explanation has been provided for this answer.