Advertisements
Advertisements
प्रश्न
Define pteridophytes. Compare between bryophytes and Pteridophytes.
थोडक्यात उत्तर
उत्तर
Pteridophytes include those plants that lack flowers and do not produce seeds. Their body is well differentiated into roots, stems and leaves. They have a well-developed vascular system with multicellular sex organs.
Examples of Pteridophytes- Selaginella, Dryopteris, Pteris, etc.
| Bryophyta | Pteridophyta |
| 1. Plant body is gametophytic. | 1. Plant body is sporophytic. |
| 2. Plant body is either thallose and/or folliose. However, real stem and leaves are always absent. | 2. Real stem and leaves are present. |
| 3. Fixation of plant body is carried out by rhizoids. | 3. Fixation of plant body is carried out by roots. |
| 4. Sporophyte is parasitic over the gametophytic plant body throughout its life. | 4. The gametophyte is small and independent. |
| 5. Bryophytes are non-vascular in nature. | 5. Pteriodophytes are vascular plants |
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
