Waec Biology Past Questions and Answers

Question 311:

• WAEC 1994

All animals are dependent on green plants because plants

A. Shelter them from excessive heat from the sun
B. Give them protection from enemies
C. Are used for building houses and furniture
D. Beautify their surroundings
E. Manufacture food for animals

Question 312:

• WAEC 1994

All animals are dependent on green plants because plants

A. Shelter them from excessive heat from the sun
B. Give them protection from enemies
C. Are used for building houses and furniture
D. Beautify their surroundings
E. Manufacture food for animals

Question 313:

• WAEC 1994

The scientist who discovered the cell while examining a thin slice of cork under the microscope was

A. Robert Hooke
B. Anton van Leeuwenhoek
C. Matthias Schleiden
D. Theodor Schwann
E. Alexander Fleming

Question 314:

• WAEC 1994

The two important physical processes involved in the absorption and transport of materials in plants are

A. Diffusion and plasmolysis
B. Cohesion and adhesion
C. Flaccidity and turgidity
D. Osmosis and diffusion
E. Plasmolysis and capillarity

Question 315:

• WAEC 1994

The process by which plants manufacture food from carbondioxide and water, using energy from the sun is
termed

A. Chemosynthesis
B. Photosynthesis
C. Autotrophism
D. Heterotrophism
E. Transpiration