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.
Loam is the best type of soil for crop production because
it has a high percentage of clay which prevents leaching
it has high humus content
it is porous and has good water retention capacity
gravels which obstruct implements are absent from it
Correct answer is B
No explanation has been provided for this answer.
Which of the following is not a micronutrient?
Manganese
Copper
Potassium
Zinc
Correct answer is C
No explanation has been provided for this answer.
Magnesium is needed by plants for
protein synthesis
formation of cell membrane
activation of enzymes
formation of chlorophyll
Correct answer is D
No explanation has been provided for this answer.
Turgidity in the cell of plant does not easily lead to bursting of the cell because the
cell membrane can resist the turgidity
large vacuole contained in the cell, can continuously take in water
cellulose cell wall can resist the turgidity
cytoplasm is jelly-like
Correct answer is C
No explanation has been provided for this answer.
Which of the following organisms is a chemo-autotroph?
Virus
Bacteria
Paramecium
Euglena
Correct answer is B
No explanation has been provided for this answer.