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.
The first step in the process of photosynthesis is the
activation of the chlorophyll
photolysis of water
reduction of carbondioxide
formation of sugar
Correct answer is A
No explanation has been provided for this answer.
The mode of nutrition in which digestion is extracellular is
holophytic
parasitic
holozoic
saprophytic
Correct answer is D
No explanation has been provided for this answer.
The movement of plant in response to external stimulus of no particular direction is
taxism
tropism
hyptotropic movement
nastic movement
phototropism
Correct answer is D
No explanation has been provided for this answer.
The kidneys of all vertebrates act as osmoregulators. This means that they
keep the composition of the plasma constant
regulate osmotic processes
control the volume of blood entering the kidneys
decrease the osmotic pressure of the blood
increase the osmotic pressure of blood
Correct answer is B
No explanation has been provided for this answer.
Which of the following substance is not found in urine?
Water
Sodium chloride
Nitrogenous compounds
Calcium chloride
Nitrogenous salts
Correct answer is D
No explanation has been provided for this answer.