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.
One basic similarity between the nervous and endocrine systems is that they both
produce widespread effects
transmit very fast impulses
involve the use of chemical substances
produce precise and short-lived effect
Correct answer is C
No explanation has been provided for this answer.
An increase in air pressure in the lungs is due to the
increase in the volume of the thoracic cavity
upward movement of the ribs
relaxation of the diaphragm
contraction of the intercostal muscles
Correct answer is C
No explanation has been provided for this answer.
The product of excretion common to the mammalian kidney, lung, and skin is
mineral salt
carbon (IV) oxide
water
urea
Correct answer is C
No explanation has been provided for this answer.
Night-blindness results from a deficiency of
vitamin E
Vitamin A
Vitamin K
Vitamin C
Correct answer is B
No explanation has been provided for this answer.
An evidence of a common ancestor for fishes, amphibians, reptiles, birds, and mammals is the
possession of wings by birds and bats
cold-bloodedness of fishes, amphibians and reptile
presence of gill clefts in vertebrate embryos
possession of scale by fish and reptiles
Correct answer is C
No explanation has been provided for this answer.