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Biology Past Questions and Answers

Waec Biology Questions

Question 581:

Which of the following is correct about the transverse section of a vein, when compared with that of an
artery?

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A The lumen of a vein is wider than that of an artery
B The endothelium of the vein is thinner than that of an artery
C There are more smooth muscles in a vein than in an artery
D There are valves in veins but not in arteries.

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Question 582:

Terrestrial plants exchange gases through the following except

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A Chloroplast
B Stomata
C Lenticels
D Root-cells

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Question 583:

Glomerular nitrate contains

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A No glucose
B Amino acids
C No proteins
D Urea

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Question 584:

Which of the following is not a function of the liver in mammals?

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A Storage of some vitamins
B Conversion of glycogen into glucose
C Deamination of excess nitrogenous substances
D Filtration of urea from the blood.

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Question 585:

Iodine is needed by a patient suffering from a malfunctioning of the

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A Salivary gland
B Thyroid gland
C Adrenal gland
D Sebaceous gland

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