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Biology Past Questions and Answers

Waec Biology Questions

Question 511:

The part labelled IV in the diagram is the

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A Phloem
B Pericycle
C Cortex
D Xylem
E Epidermis

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Question 512:

Which of the following is not a function of the blood?

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A Maintenance of body temperature
B Formation of clot
C Distribution of bile
D Transportation of excretory materials.
E Distribution of hormones

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Question 513:

Which of the following statements about the circulation of blood is not correct?

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A Deoxygenated blood flows in the heart through the vena cavae
B Blood is pumped out of the heart through the aorta
C Oxygenated blood from the lung; is carried to the left auricle
D The oxygenated blood enters the lungs through the pulmonary vein
E Ventricles contract to pump blood into the aorta

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Question 514:

A difference between the auricle and the ventricle of the mammalian heart is that the

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A Ventricles carry deoxygenated blood
B Ventricles do not have outlets
C Auricles have no valves
D Walls of the ventricles are lese muscular then that of the auricles
E Walls of the ventricles are more muscular than that of the auricles

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Question 515:

Which of the following organism respires through the body surface

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A Man
B Fish
C Tridax
D Amoeba
E Hibiscus

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