Waec Biology 2018 Past Questions and Answers

Question 21:

• WAEC 2018

In the diagram above, the larva is also known as

A. Nymph
B. Caterpillar
C. Maggot
D. Chrysalis

Question 22:

• WAEC 2018

The source of energy required by plants during food production is

A. Photosynthesis
B. Chlorophyll
C. Sunlight
D. Microorganisms

Question 23:

• WAEC 2018

One major difference between plant and animals nutrition is the ability of plants to synthesize

A. Food for plants and animals
B. Water for plants
C. Water for animals
D. Food for plants only

Question 24:

• WAEC 2018

By what process is starch converted into maltose?

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

Question 25:

• 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