Question
Biology Question on morphology of flowering plants
How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?
A
Three
B
Four
C
Five
D
Two
Answer
Three
Explanation
Solution
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.