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Question

Which tissue are removed when a plant is girdled?

A
Xylem and pith
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B
Xylem and phloem
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C
Phloem to epidermis
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D
Phloem to pith
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Solution

The correct option is C Phloem to epidermis
In plants sugars are translocated by phloem tissue. This can be experimentally demonstrated by girdling experiments. In girdling experiments all tissues from phloem to epidermis, including secondary phloem are removed. This stops flow of sugars to plant parts below the level of girdle. Thus, the roots are starved and consequently the plant is killed.

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