Is rubber a primary metabolite or a secondary metabolite? Write four sentences about rubber.

(B) $\Rightarrow$ Rubber is a secondary metabolite. Secondary metabolites are chemical compounds synthesized by plants that do not have a direct role in basic growth,development,or reproduction.
$\Rightarrow$ Rubber is primarily obtained from the rubber tree,$Hevea$ $brasiliensis$.
$\Rightarrow$ It is a byproduct of the lactiferous tissue,which consists of latex-containing tubules.
$\Rightarrow$ Chemically,it is a large terpenoid polymer consisting of approximately $400$ isoprene units.
$\Rightarrow$ It is characterized by its elasticity,insolubility in water,and being a good electrical insulator.