The photograph shows a bean plant growing in soil - Edexcel - GCSE Biology - Question 3 - 2018 - Paper 1
Question 3
The photograph shows a bean plant growing in soil.
(a) (i) Complete the sentence by putting a cross (X) in the box next to your answer.
These roots have grown down... show full transcript
Worked Solution & Example Answer:The photograph shows a bean plant growing in soil - Edexcel - GCSE Biology - Question 3 - 2018 - Paper 1
Step 1
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
The correct answer is C positive gravitropism. Roots exhibit positive gravitropism as they grow downwards in response to gravity.
Step 2
Suggest an advantage for the roots growing downwards.
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Answer
Growing downwards allows the roots to anchor the plant more securely in the soil, access deeper water resources, and absorb essential nutrients from lower soil layers.
