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 aspects of growth in living organisms include all the following processes except
increase in dry weight
reversible increase in size
irreversible increase in length
increase in number of cells
Correct answer is B
No explanation has been provided for this answer.
Which of the following processes does not contribute towards growth?
Cell division
Cell enlargement
Cell differentiation
Cell plasmolysis
Correct answer is D
No explanation has been provided for this answer.
Which of the following environmental conditions is ideal for plant cells to remain turgid?
Hot, dry weather
Windy weather
Cold, dry weather
Cool, humid weather
Correct answer is D
No explanation has been provided for this answer.
During the process of osmosis, a semi-permeable membrane allows
only solute molecules to pass through it
both solute and solvent molecules to pass through it
only solvent molecules to pass through it
only gaseous molecules to pass through it
Correct answer is C
No explanation has been provided for this answer.
crenation
plasmolysis
turgidity
haemolysis
Correct answer is D
No explanation has been provided for this answer.