Chloroplast-containing parenchyma is called:

$I.$ These tissues are found as layers or patches.
$II.$ It consists of cells which are thickened at the corners.
$III.$ It often contains chloroplasts.
$IV.$ Intercellular spaces are absent.
$V.$ They provide mechanical support to growing parts of plants.
The above characters are attributed to:

At maturity,which of the following is non-nucleated?

The gritty texture of the edible part of a pear is due to the presence of which of the following?

Assertion: Collenchyma is a thick-walled dead tissue.
Reason: Collenchymatous cells show thickenings of pectin.

Tracheids of angiosperms are recognised by the presence of