A unifoliate compound leaf can be differentiated from simple leaf in having
Joint
Stalk
Unicostate reticulate venation
Multicostate reticulate venation
Justify the following statements on the basis of external features
$(i)$ Underground parts of a plant are not always roots
$(ii)$ Flower is a modified shoot
How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?
Identify the given diagrams and mark the correct option
Petiole is winged in
A simple leaf is present in