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Biology Past Questions and Answers

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Waec Biology Questions

Question 966:

When both ovaries of the human female ovulate simultaneously and both ova are fertilized, then

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A Identical twins are produced
B Fraternal twins are produced
C Siamese twins are produced
D The children produced are genetically identical

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Question 967:

Which of the following statements is not true of the light stage of photosynthesis?

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A Chlorophyll is energized by sunlight
B Water molecules split into hydrogen and hydroxyl ions
C Carbon (IV) oxide is reduced by hydrogen atoms in NADPH₂
D Water is formed

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Question 968:

Which of the following elements is required in large amounts by plants

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A Molybdenum
B Boron
C Copper
D Phosphorus

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Question 969:

Which of the following substances has the highest amount of energy in joules per unit weight?

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A Carbohydrates
B Proteins
C Fats
D Vitamins

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Question 970:

Which of the following elements is required in large amounts by plants

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A Molybdenum
B Boron
C Copper
D Phosphorus

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