1. (a) Complete the sentences by putting a cross (X) in the box next to your answer - Edexcel - GCSE Biology - Question 1 - 2018 - Paper 1
Question 1
1. (a) Complete the sentences by putting a cross (X) in the box next to your answer.
(i) The plant cells that absorb mineral ions from the soil are
A guard cells
... show full transcript
Worked Solution & Example Answer:1. (a) Complete the sentences by putting a cross (X) in the box next to your answer - Edexcel - GCSE Biology - Question 1 - 2018 - Paper 1
Step 1
(i) The plant cells that absorb mineral ions from the soil are
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Answer
The correct answer is C: root hair cells. Root hair cells are specialized to absorb water and nutrients from the soil efficiently.
Step 2
(ii) Plants absorb mineral ions by
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Answer
The correct answer is A: active transport. This process allows plants to move ions against their concentration gradient.
Step 3
Plants absorb carbon dioxide from the air.
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Answer
During photosynthesis, carbon dioxide reacts with water to make the sugar glucose.
Sugars are transported through the phloem in the stem to other parts of the plant.
