The smallest plant family 'Gymnosperm' has how many species?
Correct answer: D. 900
- A. 640
- B. 300
- C. 1000
- D. 900
Explanation
(d) : Gymnosperms originated about 200 million years ago and were dominant species at that time. However most ofthe members have become extinct now and only few living forms are known today. There are around 900 living species of this group.
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About Kingdom Plantae
Plants are multicellular, photosynthetic eukaryotes with cellulose cell walls, chloroplasts and large vacuoles. Coverage includes alternation of generations, vascular and non-vascular plants, seedless and seed-producing groups, gymnosperms and angiosperms, and the distinction between monocot and dicot features.
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