Complete the sentences by putting a cross (✗) in the box next to your answer - Edexcel - GCSE Biology - Question 1 - 2012 - Paper 1
Question 1
Complete the sentences by putting a cross (✗) in the box next to your answer.
(i)
Plants absorb water from the soil.
The plant cells that absorb water from the soi... show full transcript
Worked Solution & Example Answer:Complete the sentences by putting a cross (✗) in the box next to your answer - Edexcel - GCSE Biology - Question 1 - 2012 - Paper 1
Step 1
(i) The plant cells that absorb water from the soil are called
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Answer
The correct answer is A. root hair cells. These specialized cells are located on the surface of plant roots and significantly increase the surface area for water absorption.
Step 2
(ii) These cells absorb water by a process known as
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Answer
The correct answer is B. osmosis. Osmosis is the process by which water moves from an area of lower solute concentration to an area of higher solute concentration through a semipermeable membrane.
Step 3
Plants absorb mineral ions from the soil through their _____________ by a process called _____________. The mineral ions are then transported up the stem through _____________ vessels.
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Answer
Plants absorb mineral ions from the soil through their roots by a process called active transport. The mineral ions are then transported up the stem through xylem vessels.
