If a plant is unable to transport food from leaves to roots, which tissue is malfunctioning?
(i) Xylem (ii) Phloem (iii) Epidermis (iv) Sclerenchyma
Question 2 — If a plant is unable - Tissues in Action - [Teachoo] - Questions at the end of the chapter
Phloem — carries food (blocked X)
Food cannot reach the roots
Xylem — carries water (working)
Malfunctioning tissue = phloem
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The correct option is (ii) Phloem.

Phloem carries food from the leaves to the rest of the plant. If food cannot reach the roots, the phloem is not working. Xylem carries water, not food.

Which Tissue Failed?
Food moves leaves → roots
This is the job of phloem.
Food is not reaching the roots
So the phloem is not working.
Answer: (ii) Phloem
Back to: 3.2.4 Permanent tissues
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