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.
Which of the following processes takes place when a plant cell is put in a hypotonic solution?
Water moves into the cell and the cell bursts
Water leaves the cell and the cell becomes flabby
Water moves into the cell and the cell becomes turgid
The cell becomes plasmolysed
Correct answer is C
No explanation has been provided for this answer.
The organelle involved in the transport of substances within a cell is?
Golgi body
endoplasmic reticulum
ribosome
mitochondrion
Correct answer is A
No explanation has been provided for this answer.
Respiration is an essential life process providing the living cells with
oxygen
sugars
energy
carbon dioxide
Correct answer is C
No explanation has been provided for this answer.
The hereditary material in a living organism is located inside the
protein wall
cytoplasm
nucleus
lysosome
Correct answer is C
No explanation has been provided for this answer.
Which of the following is an effect of carbon monoxide on man?
irritating the skin
Reducing oxygen carrying capacity of blood
Causing gene mutation
Destroying white blood cells
Correct answer is B
No explanation has been provided for this answer.