Waec Biology 2006 Past Questions and Answers

Question 11:

• WAEC 2006

Which of the following environmental conditions is ideal
for plant cells to remain turgid?

A. Hot, dry weather
B. Windy weather
C. Cold, dry weather
D. Cool, humid weather

Question 12:

• WAEC 2006

Which of the following processes does not contribute
towards growth?

A. Cell division
B. Cell enlargement
C. Cell differentiation
D. Cell plasmolysis

Question 13:

• WAEC 2006

The aspects of growth in living organisms include all
the following processes except

A. Increase in dry weight
B. Reversible increase in size
C. Irreversible increase in length
D. Increase in number of cells

Question 14:

• WAEC 2006

Support in young herbaceous plants is provided by

A. Translocation
B. Guttation
C. Turgidity
D. Osmosis

Question 15:

• WAEC 2006

Which of the following heart structures is best adapted
to cope with double circulation?

A. One auricle and one ventricle
B. Two auricles and one ventricle
C. Two auricles and partially divided ventricle
D. Two auricles and two ventricles