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.
Trees in savannah habitats usually have heavy thick bark which mainly
reduces the rate of transpiration
protect them from the scorching sun
protect them from heavy winds
resist bush tires
Correct answer is A
No explanation has been provided for this answer.
Which of the following elements is required in large amounts by plants
Molybdenum
Boron
Copper
Phosphorus
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements is not true of the light stage of photosynthesis?
Chlorophyll is energized by sunlight
Water molecules split into hydrogen and hydroxyl ions
Carbon (IV) oxide is reduced by hydrogen atoms in NADPH2
Water is formed
Correct answer is D
No explanation has been provided for this answer.
When both ovaries of the human female ovulate simultaneously and both ova are fertilized, then
identical twins are produced
fraternal twins are produced
Siamese twins are produced
the children produced are genetically identical
Correct answer is B
No explanation has been provided for this answer.
Which of the following describes an example of fertilization in higher organisms?
Fusion of sperm and egg nuclei
Ejaculating of sperm into a female body
Male gametes germinating in the pollen tube
A pollen grain landing on a sticky stigma
Correct answer is A
No explanation has been provided for this answer.