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 grow downwards due to the influence of gravity, which is classified as positive gravitropism.
Step 2
Suggest an advantage for the roots growing downwards.
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Answer
An advantage of roots growing downwards is that they can anchor the plant securely in the soil. Additionally, this allows the roots to access nutrients and moisture that are deeper in the ground, promoting better growth and stability.
