The diagram shows a transverse section of a dicotyledonous (dicot) root - Leaving Cert Biology - Question b - 2018
Question b
The diagram shows a transverse section of a dicotyledonous (dicot) root.
(i) Name the parts labelled A, B and C.
(ii) State two functions of a root.
(iii) From what... show full transcript
Worked Solution & Example Answer:The diagram shows a transverse section of a dicotyledonous (dicot) root - Leaving Cert Biology - Question b - 2018
Step 1
Name the parts labelled A, B and C.
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Answer
A = Phloem; B = Xylem; C = Root hair.
Step 2
State two functions of a root.
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Answer
Roots absorb water and minerals from the soil, anchor the plant in the ground, store food, and may facilitate reproduction.
Step 3
From what part of a seed does the root develop?
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Answer
Roots develop from the radicles of a seed.
Step 4
Give one example of a root modified for food storage.
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Answer
An example of a root modified for food storage is a carrot or parsnip.
Step 5
Give any one difference between a monocotyledonous plant and a dicotyledonous plant.
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Answer
Monocotyledonous plants have one cotyledon, while dicotyledonous plants have two cotyledons.
Step 6
Give one example of a monocotyledonous plant and one example of a dicotyledonous plant.
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Answer
An example of a monocotyledonous plant is maize, and an example of a dicotyledonous plant is a bean plant.
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