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.
Which of the following statements about the development of the foetus is not correct?
The circulatory system of the foetus is directly connected to the maternal blood vessels
The foetus depends on the mothers blood for its food and oxygen
The foetus is surrounded by a water sac
Food and oxygen are carried across the placenta to the embryo’s blood
Correct answer is A
No explanation has been provided for this answer.
The relationship between the retina and the brain is similar to that between the
cochlea and the auditory nerve
cochlea and the brain
cochlea and the semi-circular canals
eardrum and the brain
Correct answer is B
No explanation has been provided for this answer.
The ear pinna is strengthened by
blood pressure
cartilage
bone
turgor pressure
Correct answer is B
No explanation has been provided for this answer.
The organ that receives reduced blood flow during vigorous exercise is the
brain
heart
lung
limb
Correct answer is A
No explanation has been provided for this answer.
The excretory system in mammals consists of the following parts except
two kidneys
two ureters
two bladders
one urethra
Correct answer is C
No explanation has been provided for this answer.