Phloem in gymnosperms lacks:
- AAlbuminous cells and sieve cells
- BSieve tubes only
- CCompanion cells only
- DBoth 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.