Bud scales of $Ficus$ are modified

Which of the following is used to distinguish a monocot from a dicot plant?

$A$ monocot plant that exhibits reticulate venation is:

How many plants among China rose,Ocimum,sunflower,mustard,Alstonia,guava,Calotropis and Nerium (oleander) have opposite phyllotaxy?

The shape of guard cells in stomata in sugarcane plant is

$A$ monocot can be distinguished from a dicot by