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 parts labelled I and II make up the
glomerulus
convoluted tubules
Malpighian body
Bowman's capsule
Correct answer is C
The combination of the Bowman's capsule (I) and Glomerulus (II) make up the Malpighian body.
The gas occupying the space labelled I is
carbon (IV) oxide
nitrogen
hydrogen
oxygen
Correct answer is D
No explanation has been provided for this answer.
The substance labelled II originates from
III only
IV only
I and IV
III and IV
Correct answer is A
No explanation has been provided for this answer.
Bacteria in the large intestine of man are important in the
synthesis of vitamins K and B2
digestion of vegetables
synthesis of vitamins A and D
absorption of water
Correct answer is A
Bacteria in the large intestine also make some important substances, such as vitamin K (see Vitamin K), which plays an important role in blood clotting.
The production of violet colouration, when dilute NaOH solution is added to a solution of food substance, followed by drops of 1% CuSO4 solution while shaking, indicates the presence of
protein
carbohydrates
fats
reducing
Correct answer is A
No explanation has been provided for this answer.