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Phloem in gymnosperms lacks:

  1. A
    Albuminous cells and sieve cells
  2. B
    Sieve tubes only
  3. C
    Companion cells only
  4. D
    Both sieve tubes and companion cells

Solution & Step-by-step Explanation

Gymnosperms have a more primitive phloem. They lack sieve tubes and companion cells (which are characteristic of angiosperms). Instead, they possess sieve cells and albuminous cells.

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Phloem in gymnosperms lacks:
A
Albuminous cells and sieve cells
B
Sieve tubes only
C
Companion cells only
D
Both sieve tubes and companion cells

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