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Biology Past Questions and Answers

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Waec Biology Questions

Question 1151:

Carbon dioxide is carried in the plasma

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

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Question 1152:

In the adult frog gaseous exchange takes the

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

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Question 1153:

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

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A Osmosis
B Diffusion
C Osmoregulation
D Homeostasis

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Question 1154:

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

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A Pancreas
B Gall bladder
C Liver
D Spleen

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Question 1155:

Which of the following statements is not true about hormones?

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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

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