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.
Use the diagram to answer the question.
The process of water loss and intake indicated by the arrows labelled i and ii are respectively
evaporation and osmosis
osmosis and exhalation
osmosis and diffusion
urination and diffusion
Correct answer is A
No explanation has been provided for this answer.
continuous variation
nonheritable variation
discontinuous variation
physiological variation
Correct answer is A
No explanation has been provided for this answer.
Both recesssive and dominant characters are found
on different chromosomes in the cell
at the same locus of a homologous chromosome
at a different loci of a homologous chromosome
on the same chromatid in a chromosome
Correct answer is B
No explanation has been provided for this answer.
In which of the following groups of vertebrates is parental care mostly exhibited?
Aves
Reptilia
Amphibia
Mammalia
Correct answer is D
No explanation has been provided for this answer.
For growth to occur in organisms, the rate of
anabolism must exceed that of catabolism
catabolism must exceed that of anabolism
food storage must be low
food storage must be high
Correct answer is A
Anabolism centers around growth and building the organization of molecules. In this process, small, simple molecules are built up into larger, more complex ones while Catabolism is what happens when you digest food and the molecules break down in the body for use as energy.