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Biology Past Questions and Answers

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Waec Biology Questions

Question 1761:

By what process is starch converted into maltose?

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A Hydrolysis
B Condensation
C Translocation
D Photosynthesis

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Question 1762:

The ascent of water in tall trees is mainly due to

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A Adhesive forces
B Transpiration pull
C Root pressure
D Cohesive forces

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Question 1763:

The duodenum of a person was surgically removed. Which of the following substances would have their digestion affected?

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A Starch and protein only
B Starch and lipids
C Starch, peptones and maltose
D Starch, protein and lipids

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Question 1764:

Which of the following dental formulae represents the dentition in rabbits?

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A \(I\frac{2}{1}\) \(C\frac{0}{0}\) \(P\frac{3}{2}\) \(M\frac{3}{3}\)
B \(I\frac{2}{2}\) \(C\frac{1}{1}\) \(P\frac{2}{2}\) \(M\frac{3}{3}\)
C \(I\frac{1}{2}\) \(C\frac{0}{0}\) \(P\frac{2}{3}\) \(M\frac{3}{3}\)
D \(I\frac{2}{1}\) \(C\frac{0}{1}\) \(P\frac{3}{2}\) \(M\frac{3}{3}\)

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Question 1765:

The diagram above is an illustration of an experimental set-up to demonstrate a property of soil. The property of soil demonstrated is

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A Particle size
B Capillarity
C Colour
D Texture

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