Waec Biology 2012 Past Questions and Answers

Question 11:

• WAEC 2012

Which of the individual is likely to be suffering from haemophilia?

A. I
B. II
C. III
D. IV

Question 12:

• WAEC 2012

Which of the individual is likely to have HIV?

A. I
B. II
C. III
D. IV

Question 13:

• WAEC 2012

The diagrams above are part of the human lungs. Which of the parts is diagram Z taken from

A. II
B. III
C. IV
D. V

Question 14:

• WAEC 2012

The diagram above is an illustration of the human excretory system. Which of the labelled parts contains the
highest amount of nitrogenous waste?

A. I
B. II
C. IV
D. VI

Question 15:

• WAEC 2012

Increasing adrenalin content of the blood would be expected to decrease the flow of blood to the

A. Liver
B. Heart
C. Lungs
D. Brain