Permanent Tissues
Permanent Tissues: Overview
This Topic covers sub-topics such as Xylem, Vessels, Parenchyma, Phloem, Sclerenchyma, Collenchyma, Permanent Tissue, Tracheids, Simple Permanent Tissue, Sieve Element, Complex Permanent Tissue, Aerenchyma, Sclereids, Companion Cells and, Chlorenchyma
Important Questions on Permanent Tissues

Palisade parenchyma cells occur below epidermis in dicot root.

Phloem is involved in the transport of water in plants.

Give examples of plants having stellate parenchyma.




What is the arrangement of cell wall thickening of lacunar collenchyma?

What is the arrangement of cell wall thickening of lamellar collenchyma?


What are called companion cells?

The type of tissue present in the petioles of banana and Canna is:

The tissue generally present in all organs of the plant is

Conduction of food materials does not take place in mature sieve tube elements because

In matured sieve tube _____ is absent.

The spongy parenchyma is the upper layer of mesophyll tissue in leaves.

Spongy parenchyma is present in both monocot and dicot leaves.

Which is the lower layer of mesophyll tissue of dicot leaf?

What is spongy parenchyma? Mention its characteristics.

Metaxylem is the part of _____ (primary/secondary) xylem in the plant.
