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.
has no effect on the starch solution
leads to the production of amino acids
leads to the production of glucose
digest the starch
Correct answer is A
No explanation has been provided for this answer.
An example of a trace elements is
potassium
calcium
magnesium
copper
Correct answer is D
No explanation has been provided for this answer.
The first stable product of photosynthesis is
starch
fructose
glucose
sucrose
Correct answer is A
No explanation has been provided for this answer.
Oxygen comes out of the stomata during photosynthesis through the process known as
diffusion
transpiration pull
osmosis
active transport
Correct answer is A
No explanation has been provided for this answer.
The reagent used in testing for carbon (IV) oxide is
copper sulphate solution
lime water
hydrochloric acid
sodium hydroxide solution
Correct answer is B
No explanation has been provided for this answer.