How many plants among China rose, Ocimum, Sunflower, Mustard, Alstonia, Guava, Calotropis arm Nerium (Oleander) have opposite phyllotaxy ?
A
Two
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B
Four
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C
Three
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D
Five
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Solution
The correct option is B Two C. Three
Reason: phyllotaxy means the arrangement of leaves on a stem. When two leaves arise from the same node but in opposite directions, that kind of phyllotaxy is known as opposite phyllotaxy. Among the given plants, Ocimum, Guava and Calotropis have opposite phyllotaxy.