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.
Erosion can be reduced along shape by
ridging across slope
ridging up slope
ridging down slope
crop rotation
bush fallowing system
Correct answer is A
No explanation has been provided for this answer.
The structure labelled 5 is the
sweat gland
sebaceous gland
blood vessel
nerve fibre
Correct answer is A
No explanation has been provided for this answer.
When two heterozygotes mate, the dominant trait will appear in
the F1 generation only
the F2 generation only
both the F1 and F2 generations
neither the F1 nor F2 generation
Correct answer is C
No explanation has been provided for this answer.
The structure labelled 5 is used for
protein synthesis
energy production
secretion
excretion
Correct answer is C
No explanation has been provided for this answer.
32
16
8
4
Correct answer is C
A gamete is a haploid sex cell of an organism which is reproduced sexually. They contain half the number of chromosomes in an organism.
no of chromosomes = 16, hence, no of chromosomes in the gamete = \(\frac{1}{2}\) of 16 = 8