The diagram shows part of a transverse section through a dicotyledonous stem - Leaving Cert Biology - Question c - 2006
Question c
The diagram shows part of a transverse section through a dicotyledonous stem.
(i) Copy the diagram into your answer book and identify each of the following by placi... show full transcript
Worked Solution & Example Answer:The diagram shows part of a transverse section through a dicotyledonous stem - Leaving Cert Biology - Question c - 2006
Step 1
Copy the diagram into your answer book and identify each of the following by placing the appropriate letter on your diagram:
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Answer
In the diagram, the following labels should be applied:
P: Phloem
G: Ground Tissue
X: Xylem
D: Dermal Tissue
Step 2
In which of the tissues that you have identified are sugars mainly transported?
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Answer
Sugars are mainly transported in the Phloem (P) tissue.
Step 3
State a function of D.
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Answer
The function of the Dermal Tissue (D) is primarily protection, which might include preventing water loss, protecting against infection, or providing structural support.
Step 4
What did you use to cut the section?
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Answer
I used a blade or scalpel to cut the section.
Step 5
How did you support the stem while you were cutting the section?
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Answer
I used a holder, hand, or implied support to stabilize the stem while cutting.
Step 6
How did you transfer the section to a microscope slide?
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Answer
I used a mounted needle, section lifter, forceps, or a paintbrush to transfer the section to the microscope slide.
Step 7
State one way in which a transverse section through a monocotyledon stem differs from the one that you cut.
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Answer
In a transverse section of a monocotyledon stem, the vascular bundles are scattered, in contrast to the organized arrangement seen in a dicotyledonous stem.
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