MCQ
Phloem in gymnosperms lacks
- AAlbuminous cells and sieve cells
- BSieve tubes only
- CCompanion cells only
- ✓Both sieve tubes and companion cells
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$I.$ In gymnosperms, the male and female gametophytes have an independent existence.
$II.$ The multicellular female gametophyte is retained within the megasporangium.
$III.$ The gymnosperms are heterosporous.
Of these statements