Plant Tissues and Organs | COMPLETE NOTES

What is the basic unit of life in plants?

Cell

What is a group of similar specialized cells performing specific functions called?

Tissue

What type of plant tissue is responsible for primary growth?

Apical Meristem

What are the two types of meristematic tissue?

Apical and Lateral

What does the xylem transport in plants?

Water and minerals from roots to the plant

Which vascular tissue is composed of living cells that do not contain thickened cell walls?

Phloem

What are guard cells responsible for?

Regulating gas exchange and water loss in leaves.

What type of plant tissue is most abundant and is involved in food and water storage?

Parenchyma

Which plant tissue provides rigid mechanical support due to evenly thickened cell walls containing lignin?

Sclerenchyma

How do collenchyma cells differ in their cell wall thickness?

Their cell walls are unevenly thickened, mainly in the corners.

What are the two types of mesophyll cells in dicotyledon leaves?

Palisade and Spongy mesophyll

What is the primary function of stomata on the leaf surface?

Facilitate gas exchange for photosynthesis and respiration.

What is the purpose of the cuticle on epidermal cells?

To prevent water loss from the leaf surface.

What does the vascular bundle in leaves consist of?

Xylem and phloem