How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?
Correct answer: A. Three
- A. Three
- B. Four
- C. Five
- D. Two
Explanation
(a) : In opposite phyllotaxy, two leaves are borne on the opposite sides of a single node. It is of two types; (a) opposite and superposed, (b) opposite and decussate. Ocimum, guava and Calotropis have opposite decussate phyllotaxy.
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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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