While eating peach or pear it is usually seen that some stone like structures get entangled in the teeth, what are these stone like structures called ?
$\Rightarrow$ There are sclereids in the fleshy pulp of peach and pear fruit. There are sclerenchyma cells and dead cells. Their main function is to support in soft tissues.
Vessels are absent in this angiosperm.
According to Histogen theory, the plerome gives rise to
$A$. According to Clowes root apex consists of an inverted cup like structure.
$B$. Low amount of $RNA$, $DNA$ and protein is characteristic of waiting meristem.
$C$. Cells of reserve meristem can divide only when the root apex gets injured.
Vascular bundles in monocotyledons are considered closed because :
In barley stem vascular bundles are