Question

List the groups in plant kingdom with 5 characteristics

Answer 1

Answer:

Thallophytes, Bryophytes, Pteridophytes, gymnosperms and angiosperms

Explanation:

Thallophytes:

1. Plants do not have well differentiated body as stem, leaves and roots.
2. This mostly includes algae
3. These plants are mostly aquatic
4. Mostly they are attachd to surface
5. Examples includes Ulva, Ulothrix, Spirogyra.

Bryophytes

1. Body has only two parts namely stem and leaves.
2. The different part of plant which are immersed will take the water directly they are called as amphibians(plants) .
3. Their is no proper vascular system for conduction of water.
4. The plant part immersed in water will absorbs the water directly
5. Examples includes Marchantia, funaria(moss)

Pteridophytes:

1. They have well differentiated plant body (stem), leaves nd roots.
2. Have specialized system called as vascular system for water conduction
3. They help in transportation of water from one part of the plant to other part of the plant.
4. They have hidden reeproductive organs callled as phanerograms
5. Examples includes marselia, ferns.

Gymnosperms:

1. Gymno means naked, sperms means seeds
2. Mostly perennials
3. They are evergreen and woody
4. Mostly grown for ornamental purpose
5. Examples includes cycas, pines

Angiosperms:

1. Angio means covered, germs means seeds
2. Also called as flowering plants
3. Have cotyledons for embryo developments
4. Based on cotyledons divided into monocots and dicots
5. These cotyledons are also called as seed leaves which nurtures the embryo to develop.