Plz solve 1 st 3
Dear Student
3.
|
| Gymnosperm | Angiosperm |
| Nature of Seeds | Naked Seed | Seed inside seed case (fruit) |
| Reproductive organs | Cones | Flower |
| Xylem | They have only tracheid. Xylem walls have bordered pits. | They have vessels and tracheids. Xylem walls show simple pits. |
| Phloem | Companion cells are absent. | Companion cells are present. |
1.
Classification of plant kingdom
Plants are classified in terms of the following characteristics.
- Differentiation of plant body into roots, stem and leaves
- Vascular tissues
- Production of seeds
- Covering of seeds
- Number of cotyledons in a seed
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