Which one of the following is considered important in the development of seed habit?
Heterospory
Dependent sporophyte
Free-living gametophyte
Haplontic life cycle
Additional Questions
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From evolutionary point of view, tracheids and sieve cells are more primitive than tracheae and sieve tubes respectively. The angiosperms have: |
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Roots of which plant contain a red pigment which has affinity for oxygen? |
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Stem develops from |
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A group of flowering plants whose seed typically has two embryonic leaves or cotyledons is called |
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