Waec Biology 2008 Past Questions and Answers

Question 11:

• WAEC 2008

Carbon dioxide is carried in the plasma

A. In combination with haemoglobin
B. In combination with antibodies
C. By capillary action
D. As bicarbonate ion.

Question 12:

• WAEC 2008

In the adult frog gaseous exchange takes the

A. Buccal cavity, skin and lungs
B. Buccal cavity, skin and spiracles
C. Gills, skin and buccal cavity
D. Tympanic membrane, lungs and gills

Question 13:

• WAEC 2008

The process of regulating the amount of water and solutes in the body fluids is called

A. Osmosis
B. Diffusion
C. Osmoregulation
D. Homeostasis

Question 14:

• WAEC 2008

The presence of glucose in the urine of a patent is an indication of malfunctioning of the

A. Pancreas
B. Gall bladder
C. Liver
D. Spleen

Question 15:

• WAEC 2008

Which of the following statements is not true about hormones?

A. Hormones are manufactured in ductless glands and poured straight into the blood stream
B. Hormones are carried by the blood plasma to the required Target organs
C. Hormonal responses are usually instant and electrical
D. Once the effects of hormones are over, they are inactivated and excreted from the body