MCQ
In case of heteroporous pteridophyte the gametophyte is
- ✓Always dioecious
- BMonoecious
- CMay be monoecious or dioecious
- DVascular
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$X-Y-Z$
$I.$ Occurs between $G_{1}$ and $G_{2}$
$II.$ $DNA$ replication begins in the nucleus
$III.$ Centrioles duplicate in the cytoplasm
$IV.$ As $DNA$ is doubled, number of chromosomes also doubles
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