Waec Biology Past Questions and Answers

Question 1761:

• WAEC 2018

By what process is starch converted into maltose?

A. Hydrolysis
B. Condensation
C. Translocation
D. Photosynthesis

Question 1762:

• WAEC 2018

The ascent of water in tall trees is mainly due to

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

Question 1763:

• WAEC 2018

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

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

Question 1764:

• WAEC 2018

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

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. \(I\frac{2}{1}\) \(C\frac{0}{1}\) \(P\frac{3}{2}\) \(M\frac{3}{3}\)

Question 1765:

• WAEC 2018

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

A. Particle size
B. Capillarity
C. Colour
D. Texture