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.
I and II
II and IV
III and VII
IV and VII
IV and VIII
Correct answer is D
No explanation has been provided for this answer.
Which of the following conclusions cannot be drawn from the graphs?
Ion is taken up more rapidly at suitable temperature
Suitable oxygen concentration increases ion uptake
Ion uptake requires energy from aerobic respiration of sugar
Ion uptake occurs most rapidly in adequate supply of, respiratory substrate
The quantity of ions absorbed is inversely proportional to the quantity of carbohydrate (sugar) synthesized
Correct answer is E
No explanation has been provided for this answer.
What stage is illustrated by the diagram?
lnterphase
Prophase
Metaphase
Anaphase
Telophase
Correct answer is C
No explanation has been provided for this answer.
.10 x 104k cal obtained from the sun would decrease
10 x 104k cal obtained from the sun would increase
6 x 104k cal obtained at level I would increase
1 x 104k cal obtained at level V would increase
3.5x 104k cal obtained at level II would increase
Correct answer is C
No explanation has been provided for this answer.
What phenomenon in ecosystem does the diagram illustrate?
Pyramid of numbers
Food web among organisms
Pyramid of energy
Pyramid of biomass
Evolutionary trend in organisms
Correct answer is C
No explanation has been provided for this answer.