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Biology Past Questions and Answers

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Waec Biology Questions

Question 1221:

Which of the following features is not characteristic of arteries? Arteries

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A Possess valves at intervals throughout their length
B Have thick, muscular and elastic walls
C Carry blood away from the heart
D Transport oxygenated blood with the exception of the pulmonary artery

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Question 1222:

A group of rats placed in an air-tight box for some hours died because they

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A Breathed in air containing nitrogen.
B Produced carbon dioxide
C Ran short of energy
D Used up the available oxygen

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Question 1223:

Which of the following organisms have kidney as their excretory organ?

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A Fishes, amphibians, birds, man.
B Fishes, amphibians, annelids, insects
C Fishes, reptiles, birds, tapeworms
D Fishes, protozoans, amphibians, man

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Question 1224:

Which of the statements below is valid?

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A The birdâ€™s blood was always warmer than that of the lizard
B The body temperature of the bird varied less than that of the lizard during changes in environmental temperature
C The body temperature of the bird remained constant despite changes in environmental temperature
D The body temperature of the lizard was always close to that of the environmental temperature

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Question 1225:

What physiological term can he used to
describe the regulation of the body
temperature of the lizard? '

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A Homeostasis
B Homoithermy
C Poikilothermy
D Osmoregulation

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