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 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.
Reading the verdict of a case by a judge or magistrate is an example of
a reflex action
an instinct
a conditioned reflex
a voluntary action
Correct answer is D
The Cerebrum is known to majorly co-ordinate all the body's voluntary activities like learning, reasoning and intelligence.
Which of the following glands secretes a substance into the blood stream of a frightened person?
Adrenal glands
Salivary glands
Gastric glands
Parathyroid glands
Correct answer is A
No explanation has been provided for this answer.