The diagram shows the number of hours of darkness and light needed for flowering in three different plant groups - Edexcel - GCSE Biology - Question 3 - 2014 - Paper 1
Question 3
The diagram shows the number of hours of darkness and light needed for flowering in three different plant groups.
(a) (i) State the number of hours of darkness need... show full transcript
Worked Solution & Example Answer:The diagram shows the number of hours of darkness and light needed for flowering in three different plant groups - Edexcel - GCSE Biology - Question 3 - 2014 - Paper 1
Step 1
State the number of hours of darkness needed for a long day plant to flower.
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Answer
A long day plant requires 12 hours of darkness to flower.
Step 2
Calculate the number of plants flowering in March.
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Answer
To find the number of plants flowering in March:
First, calculate 85% of 500:
ext{Number of plants flowering} = 500 imes rac{85}{100} = 425
