Question

sketch and label the figures of the following and explain them in brief. a) fern b) spirogyra

Answer 1

this plant is from the group of brophyta this group of plants is called the amphibians of plant Kingdom because they grow in most soil but need water for reproduction.

Answer 2

A fern is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seedsnor flowers. They differ from mosses by being vascular, i.e., having specialized tissues that conduct water and nutrients, in having branched stems and in having life cycles in which the sporophyte is the dominant phase. Like other vascular plants, ferns have complexleaves called megaphylls, that are more complex than the microphylls of clubmosses. Most ferns are leptosporangiate ferns, sometimes referred to as true ferns. They produce coiled fiddleheads that uncoil and expand into fronds.[3] The group includes about 10,560 known extant species


Spirogyra (common names include water silk,mermaid's tresses, and blanket weed) is agenus of filamentous charophyte green algaeof the order Zygnematales, named for thehelical or spiral arrangement of thechloroplasts that is characteristic of the genus. It is commonly found in freshwaterhabitats, and there are more than 400 species of Spirogyra in the world.[3] Spirogyrameasures approximately 10 to 100 μm in width and may grow to several centimeters in length.