Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
Three
Four
Five
Six
Explain structure of stamen.
In the diagram of types of placentation given above ${ }^{\prime} A^{\prime},{ }^{\prime} B ^{\prime},{ }^{\prime} C ^{\prime}$, and $^{\prime} D ^{\prime}$ respectively represent
Differentiate between :
$(a)$ Bract and Bracteole
$(b)$ Pulvinus and Petiole
$(c)$ Pedicel and Peduncle
$(d)$ Spike and Spadix
$(e)$ Stamen and Staminoid
$(f)$ Pollen and Pollenium
Radial symmetry is found in flowers of
In China rose the flowers are