Which of the following is $NOT$ a characteristic of dicotyledons?

$A$ student was given a description of a flower: bisexual, actinomorphic, pentamerous, gamosepalous, gamopetalous, with $5$ stamens in epipetalous condition, and a bicarpellary, syncarpous, superior ovary. Which of the following is the correct floral formula for this flower?

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$A$. Marginal placentation	$I$. Argemone
$B$. Axile placentation	$II$. Tomato
$C$. Parietal placentation	$III$. Primrose
$D$. Free central placentation	$IV$. Pea

Choose the correct answer from the options given below:

Match List-$I$ (Placentation type) with List-$II$ (Example) and select the correct option:
List-$I$
$A$. Marginal
$B$. Axile
$C$. Parietal
$D$. Basal
List-$II$
$I$. Mustard
$II$. Pea
$III$. Marigold
$IV$. Lemon

Units of............ are united or free.

Which of the following provides the most durable wood?