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Biology Past Questions and Answers

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Waec Biology Questions

Question 1476:

What happens to a plant if the shoot tip is cut off and replaced by an agar block containing auxin? it will

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A Stop growing
B Grow rapidly
C Continue to grow normally
D Die completely

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Question 1477:

Anaerobic respiration results in the production of

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A More energy than aerobic respiration
B No energy
C An equal amont of energy to aerobic respiration
D Less energy than aerobic respiration

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Question 1478:

Which of the following is not a skeletal tissue?

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A Plasma
B Chitin
C Cartilage
D Bone

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Question 1479:

Which of the following statements is not correct about the mammalian heart?

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A Oxygenated blood enters the left auricle from the pilmonary vein
B The walls of the ventricle are thicker than those of the auricle
C Blood passes from of blood into the right ventricle to the left auricle through the aorta
D The tricuspid valve prevents the back flow of blood into the right auricle

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Question 1480:

Which of the following organs are used for gaseous exchange in a mature toad?

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A Gills, lungs and eardrum
B Lungs, mouth and eardrum
C Mouth, skin and gils
D Skin, lungs and mouth

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