What is the approximate weight of the flower of $Rafflesia$ $arnoldii$ (in $kg$)?

Which part of the plant is associated with sexual reproduction?

Select the correct option for the flower from the following:
Accessory organs $\quad$ Reproductive organs

The tassels of corn cob are the modification of which part of the flower?

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:

Which whorl of a flower attracts insects?