Which alternative correctly identifies the tissues that transport carbohydrates?
Plant Animal
(A) xylem lymph
(B) xylem blood
(C) phloem lymph
(D) phloem blood - HSC - SSCE Biology - Question 7 - 2006 - Paper 1
Question 7
Which alternative correctly identifies the tissues that transport carbohydrates?
Plant Animal
(A) xylem lymph
(B) xylem blood
(C) phloem lymph
(D) phloem blood
Worked Solution & Example Answer:Which alternative correctly identifies the tissues that transport carbohydrates?
Plant Animal
(A) xylem lymph
(B) xylem blood
(C) phloem lymph
(D) phloem blood - HSC - SSCE Biology - Question 7 - 2006 - Paper 1
Step 1
Identify the Plant Tissue
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Answer
In plants, carbohydrates are primarily transported by phloem. Phloem tissue is responsible for the translocation of sugars, including sucrose, from sources (like leaves) to sinks (like roots and fruits).
Step 2
Identify the Animal Tissue
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Answer
In animals, carbohydrates are transported through blood, where glucose is dissolved and carried to various tissues in the body. Blood acts as the transport medium for nutrients, including carbohydrates.
Step 3
Combine Plant and Animal Tissues
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Answer
Given the functions of the tissues in both plants and animals, the correct identification of tissues that transport carbohydrates combines these observations: the correct alternative is (D) phloem (for plants) and blood (for animals).
