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.
In humans, which of the following pairs of hormones correspond to male and female respectively?
Oestrogen and adrenalin
Progesterone and testosterone
Testosterone and oestrogen
Adrenalin and progesterone
Correct answer is C
No explanation has been provided for this answer.
Which of the following organs in humans is responsible for the removal of excess water?
The spleen
The kidney
Large intestine
Small intestine
Correct answer is B
No explanation has been provided for this answer.
Adrenalin is considered as a hormone for “fright and flight” because it
controls the fluid content of the body
is used in protein metabolism
plays a role in the pH balance of the body fluids
prepares the body for action
Correct answer is D
No explanation has been provided for this answer.
Filtration
Diffusion
Osmosis
Reabsorption
Correct answer is A
No explanation has been provided for this answer.
The oxygen released during photosynthesis is obtained
from the catalytic splitting of carbon-dioxide in plant tissues
from the breakdown of glucose molecules in cells
during the photolysis of water using energy trapped in chlorophyll
by the excretion of excess oxygen in plant tissues
Correct answer is C
No explanation has been provided for this answer.