Waec Biology Past Questions For Year 2006

Question 11

Support in young herbaceous plants is provided by

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• A. translocation
• B. guttation
• C. turgidity
• D. osmosis

Question 12

The aspects of growth in living organisms include all

the following processes except

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• A. increase in dry weight
• B. reversible increase in size
• C. irreversible increase in length
• D. increase in number of cells

Question 13

Which of the following processes does not contribute

towards growth?

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

Question 14

Which of the following environmental conditions is ideal

for plant cells to remain turgid?

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

Question 15

Which of the following substances is not an excretory product in mammals?

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• A. Carbon dioxide
• B. Water
• C. Faeces
• D. Urea