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.
hydrolyse the non-reducing sugar
accelerate he rate of the reaction
stabilize the medium
sterilize the solution
Correct answer is A
No explanation has been provided for this answer.
Biuret’s test is carried out on a food substance to indicate the presence of
vitamins B
fats
proteins
starch
Correct answer is C
No explanation has been provided for this answer.
Micronutrients essential for the synthesis of chlorophyll include
iron and potassium
iron and magnesium
magnesium and calcium
magnesium and potassium
Correct answer is B
No explanation has been provided for this answer.
The mode of nutrition common to green plants is
autotrophic
heterotrophic
holozoic
saprophytic
Correct answer is A
No explanation has been provided for this answer.
In testing for starch in a leaf, the leaf is boiled in alcohol to
kill the cells
soften the leaf
enable chemicals penetrate the leaf
decolourize the leaf
Correct answer is D
No explanation has been provided for this answer.