Question

Generalcharacteristics of pteridophytes ​

Answer 1

Answer:

1 Terrestrial plants

2 Possess well developed vascular tissues - xylem and phloem

3 Found in cool , damp and shady places

4 Main plant body is sporophytic

5 They are haplo - diplontic

Answer 2

Pteridophytes are found in moist; cool and shady places.

• 1. They are the first group of vascular plants.
• 2. They have conducting tissues namely Xylem and Phloem
• 3.They exhibit alternation of generation.
• 4.The main plant body is sapriphytic.
• 5. The body can be differentiated into roots, stems and leaves.
• 6.The leaves bearing sporangia are called sporophytes.
• 7.Majority of them are homophobic.
• 8. They produce one kind of spores.
• 9.Spores after germination developed into small gametophytes.
• 10. The diploid zygote developes into embryo
• 11. The embryo differentiates to form a saprophyte

Eg: Salvinia