Question

Mark the correct sequence in ascending order of thickness (thin to thick) of cells in plant stems.

• A. $Collenchyma\to parenchyma\to sclerenchyma$
• B. $Sclerenchyma\to collenchyma\to parenchyma$
• C. $Parenchyma\to sclerenchyma\to collenchyma$
• D. $Parenchyma\to collenchyma\to sclerenchyma$

Answer 1

The correct option is D

$Parenchyma\to collenchyma\to sclerenchyma$

Parenchyma tissues are found in cortex of root, ground tissue in stem and mesophyll of leaves. Collenchyma is a strong and flexible tissue providing softness is aerial part. Selerenchyma is a strengthening tissue existing around vascular bundles.