Cotyledon of maize grain is called

Correct position of floral parts over thalamus in mustard plant is

When one margin of the appendage overlaps that of the next one, the condition is termed as.

Radial symmetry is found in the flowers of

Placentation in tomato and lemon is

Definitions / Explanation :

$(i)$ Hypogynous flower/ Superior ovary

$(ii)$ scutellum