Waec Biology 2009 Past Questions and Answers

Question 6:

• WAEC 2009

After an hour, the level of water in the thistle funnel will

A. Rise
B. Fall
C. Remain the same
D. Double

Question 7:

• WAEC 2009

The experiment above is used to demonstrate the process of

A. Transpiration
B. Water culture
C. Diffusion
D. Osmosis

Question 8:

• WAEC 2009

In plant cells the role of the membrane is played by the

A. Nucleolus
B. Cell wall
C. Cytoplasm
D. Mitochondrion

Question 9:

• WAEC 2009

Red blood cells were found to have burst open after being placed in distilled water for an hour. This phenomenon is known as

A. Plasmolysis
B. Diffusion
C. Haemolysis
D. Wilting

Question 10:

• WAEC 2009

The curvature movement of plants in response to the stimulus of water is called

A. Hydrotropism
B. Geotropism
C. Phototropism
D. Thigmotropism