Which of the two diagrams 1 or 2 represents a transverse section of a young root?
State two features of the diagram that indicate it is a root - Leaving Cert Biology - Question 15 - 2005
Question 15
Which of the two diagrams 1 or 2 represents a transverse section of a young root?
State two features of the diagram that indicate it is a root.
The letters A, B, C... show full transcript
Worked Solution & Example Answer:Which of the two diagrams 1 or 2 represents a transverse section of a young root?
State two features of the diagram that indicate it is a root - Leaving Cert Biology - Question 15 - 2005
Step 1
Which of the two diagrams 1 or 2 represents a transverse section of a young root?
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Answer
Diagram 2 represents a transverse section of a young root.
Step 2
State two features of the diagram that indicate it is a root.
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Answer
The presence of a central vascular bundle (xylem).
The presence of root hairs and an endodermis layer.
Step 3
The letters A, B, C in the diagram represent three different tissue types. State which tissue type in the following list is represented by each letter:
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Answer
A = ground tissue
B = vascular tissue
C = dermal tissue
Step 4
Name two vascular tissues and give one way in which they differ.
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Answer
Xylem: transports water and minerals, consists of dead cells and is lignified.
Phloem: transports food, consists of living cells such as sieve tubes and companion cells.
Difference: Xylem is primarily responsible for water transport, while Phloem transports nutrients.
Step 5
State a function of ground tissue.
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Answer
Ground tissue is involved in functions such as food storage, photosynthesis, and providing strength and support.
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