Waec Biology 2010 Past Questions and Answers

Question 16:

• WAEC 2010

The excretory system in mammals consists of the following parts except

A. Two kidneys
B. Two ureters
C. Two bladders
D. One urethra

Question 17:

• WAEC 2010

The organ that receives reduced flow of blood during vigorous exercise is the

A. Brain
B. Heart
C. Lung
D. Limb

Question 18:

• WAEC 2010

The ear pinna is strengthened by

A. Blood pressure.
B. Cartilage
C. Bone
D. Turgor pressure

Question 19:

• WAEC 2010

The relationship between the retina and the brain is similar to that between the

A. Cochlea and the auditory nerve
B. Cochlea and the brain.
C. Cochlea and the semi-circular canals
D. Eardrum and the brain

Question 20:

• WAEC 2010

Which of the following statements about the development of the foetus is not correct?

A. The circulatory system of the foetus is directly connected to the maternal blood vessels
B. The foetus depends on the mothers blood for its food and oxygen
C. The foetus is surrounded by a water sac
D. Food and oxygen are carried across the placenta to the embryo’s blood