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Question

The difference in the phloem of gymnosperms and angiosperms is due to

A
Parenchyma
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B
Vessel
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C
Companion cell
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D
Fibre
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Solution

The correct option is C Companion cell
In gymnosperms, the sieve cells has a primitive structure as they are devoid of companion cells. The adjacent cells support the sieve tubes. while in the angiosperm, the sieve tubes are supported by several companion cells.
So, the correct answer is option D.

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