In which of the following plants are both staminate and pistillate flowers found on the same individual?

The largest flower found in India is:

The most important part in the life cycle of a plant is:

The proximal end of the filament of a stamen is attached to the:

The structure of the androecium is formed by which of the following?

Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$:
Assertion $A$: $A$ flower is defined as a modified shoot wherein the shoot apical meristem changes to a floral meristem.
Reason $R$: The internode of the shoot gets condensed to produce different floral appendages laterally at successive nodes instead of leaves.
In the light of the above statements,choose the correct answer from the options given below: