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.
The role of dead organic matter in the soil is to
make the soil black
increase the mineral salt content
provide food for all living organisms
increase the acidity of the soil
make the soil more porous
Correct answer is B
No explanation has been provided for this answer.
The sweat gland is the structure labelled
I
II
III
IV
Correct answer is D
No explanation has been provided for this answer.
Which of the following is the unit of transmission of hereditary traits in living organisms
Nucleus
Nucleolus
Gametes
Genes
Chromosomes
Correct answer is D
No explanation has been provided for this answer.
The two keys cation involved in the action potential of nervous transmissions are
Na+ an Fe2+
Mg2+ and K+
Na+ and K+
Fe2+ and Mg2+
Correct answer is C
No explanation has been provided for this answer.
| Ecological Zone | Temperature (oC) | Rainfall (mm) |
| I | 45 | 300 |
| II | 32 | 2000 |
| III | 30 | 2200 |
| IV | 15 | 800 |
From the table above which of the zones is likely to be desert?
I
II
III
IV
Correct answer is A
No explanation has been provided for this answer.