10 Questions
What is the function of the epidermal tissue system in plants?
The epidermal tissue system forms the outer-most covering of the whole plant body and helps prevent water loss due to transpiration.
What are the components of the epidermal tissue system?
The epidermal tissue system comprises epidermal cells, stomata, trichomes, and hairs.
What is the role of root hairs?
Root hairs are unicellular elongations of the epidermal cells that help absorb water and minerals from the soil.
What are trichomes?
Trichomes are the epidermal hairs on the stem that can be branched or unbranched, soft or stiff, and may even be secretory.
What is the ground tissue system in plants?
The ground tissue system includes all tissues except the epidermis and vascular bundles, and consists of simple tissues.
What are the functions of the trichomes in the shoot system of a plant?
Trichomes help in preventing water loss due to transpiration.
What is the role of root hairs in a plant?
Root hairs help absorb water and minerals from the soil.
What is the composition of the epidermal tissue system in plants?
The epidermal tissue system is composed of epidermal cells, stomata, trichomes, and hairs.
What is the outermost layer of the primary plant body?
The outermost layer of the primary plant body is the epidermis.
What is the ground tissue system in plants composed of?
The ground tissue system in plants is composed of all tissues except the epidermis and vascular bundles.
Study Notes
Epidermal Tissue System in Plants
- The epidermal tissue system is the outermost layer of the primary plant body, protecting the plant from water loss, pathogens, and mechanical damage.
- It is composed of epidermal cells, trichomes, and root hairs.
Components of the Epidermal Tissue System
- Epidermal cells: tightly packed, flat, and rectangular cells that form the outer layer of the plant.
- Trichomes: hair-like structures that provide defense against herbivores and reduce water loss.
- Root hairs: thin, hair-like extensions of root epidermal cells that increase the surface area for water and nutrient absorption.
Functions of Trichomes
- Provide defense against herbivores and insects.
- Reduce water loss by creating a barrier to water evaporation.
- Shade the surface of the plant, reducing temperature and transpiration.
Role of Root Hairs
- Increase the surface area for water and nutrient absorption, enhancing the plant's ability to absorb nutrients.
- Improve the plant's ability to anchor itself in the soil.
Ground Tissue System in Plants
- The ground tissue system is composed of parenchyma, collenchyma, and sclerenchyma cells.
- It performs functions such as storage, support, and photosynthesis.
- It is the tissue system that provides the plant's internal structure and supports the plant's growth and development.
Test your knowledge of the anatomy of flowering plants with this quiz. Learn about the epidermal tissue system, stomata, trichomes, and hairs that make up the outermost layer of the plant body. Explore the differences between dicotyledonous and monocotyledonous plants.
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