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 greatest amount of energy will be obtained by the oxidation of 100kg of?
meat
butter
sugar
biscuits
Correct answer is B
One gram of carbohydrate provides 16kJ of energy. One gram of fat provides 37kJ.
Therefore, fats in food contribute double the energy than the equivalent amounts provided by sugar.
The inner ear contains two main organs, namely, the
eardrum and eustachian tube
cochlea and semi-circular canals
oval window and ossicles
pinna and cochlea
Correct answer is B
No explanation has been provided for this answer.
Short-sightedness can be corrected by lenses that are
convex
biconvex
plano-convex
concave
Correct answer is D
No explanation has been provided for this answer.
The scapula and the ischium are part of the
pectoral girdle
pelvic girdle
appendicular skeleton
hind limb
Correct answer is C
No explanation has been provided for this answer.
leaf
petiole
stem
root
Correct answer is C
No explanation has been provided for this answer.