Form 3 Biology questions and answers:growth and development

Form 3 Biology questions and answers:growth and development

Total of 2 Lessons

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1. The diagram below shows an experimental set up to investigate an aspect of germination. (a) Why sodium hydroxide pellets used in this experiment? (b) Why is moist cotton wool used in this experiment? ()

2. The graph below represents the increase in the number of yeast cells over a period of 48 minutes. (a) Name the type of curve show (b) Determine the number of yeast cells after 26 minutes c) Work out the rate of cell division between 24 and 28 minutes ()

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