Ground Tissue: Functions and Structure Quiz & Flashcards

Questions and Answers

Within all plant organs

To create the endosperm

To help the plant grow and heal

Parenchyma cells Signup and view all the answers

To facilitate light absorption and photosynthesis Signup and view all the answers

To promote buoyancy Signup and view all the answers

To provide structural support and promote growth Signup and view all the answers

To provide structural support throughout the plant's growing shoot system Signup and view all the answers

Sclerenchyma cells have a secondary cell wall, while other parenchyma cells do not Signup and view all the answers

Between the vascular and dermal tissues of each plant organ Signup and view all the answers

To facilitate the passage of minerals and nutrients from the soil into the vascular tissue Signup and view all the answers

To transport water, hormones, and minerals to the stem and leaves, and sugar from the leaves to the roots Signup and view all the answers

The xylem is responsible for transporting water, while the phloem is responsible for transporting sugar Signup and view all the answers

To facilitate photosynthesis in plant leaves Signup and view all the answers

To transport sap to the plant's outer edge Signup and view all the answers

Study Notes

Ground tissue is the most abundant part of a plant, found within all plant organs.
It includes underground organs (roots, tubers, rhizomes) and above-ground organs (stem, leaves, petiole, buds, flowers, fruits).

Parenchyma cells: most common, can divide into any plant cell, contain chloroplasts and palisade mesophyll for light absorption and photosynthesis.
Collenchyma cells: have thicker cell walls, provide structural support, found in corner of angled stems or bundles of vascular tissue.
Sclerenchyma cells: hard and tough, die at maturity, provide structural support in mature stems, source of fiber for rope and linen.

Primary cell wall: elastic, allows cells to grow and expand.
Secondary cell wall (in sclerenchyma cells): rigid and inflexible, contains lignin, provides structural support in trees and shrubs.

Found within each plant organ, consists of different types of tissue.
In leaves: palisade mesophyll, site of photosynthesis.
In stems: cortex (outer layer) and pith (spongy center).
In roots: cortex (outer layer) and pith (center), facilitate storage of sugar or starch.

Endodermis: site where minerals and nutrients pass from soil into vascular tissue system.
Pericycle: ring of tissue separating endodermis from vascular tissue system.
Medullary rays: criss-cross vascular tissue, transport sap to plant's outer edge.
Ground meristem: site of plant growth via cellular division, found in root and shoot tips.