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Biology Past Questions and Answers

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Waec Biology Questions

Question 151:

The following are the activities of the liver except

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A Production of heat
B Manufacture of bile
C Detoxication of alcohol and drugs
D Maintenance of osmotic balance
E Deamination of excess nitrogenous substance

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Question 152:

Infective hepatitis is a disease of the

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A Heart
B Kidney
C Liver
D Stomach
E Pancreas

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Question 153:

The pituitary is regarded as the master gland because

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A It is locatd in the brain
B Its secretion are the most numerous
C Its secretion control other endocrine glands
D It is the biggest endocrine gland
E It controls the activities of the brain

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Question 154:

Growing radicles of seddlings are

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A Negatively phototropic
B Positively phototropic
C Negatively geotropic
D Negatively hydrotropic
E Positively phototactic

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Question 155:

Over-secretion of thyroxin is likely to lead to

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A Thinness in body
B Sluggishness
C Cretinism in infant
D Reduced metabolism
E Dwarfism

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