A prothallus isA structure in pteridophytes formed before the …
The prothallus is generally monoecious as it bears both male and female sex organs i.e. antheridia and archegonia respectively or it may be dioecious if male and female sex organs …
Short Answer.Comment on the lifecycle and nature of a fern …
Nature of Fern Prothallus: The prothallus represents the haploid gametophytic generation. It is a multicellular, independent, photosynthetic form that lives for a short duration. The prothallus …
Prothallus isGametophyte, monoecious and autotrophic present in ...
The prothallus is monoecious (ferns) or dioecious (Selaginella). It bears sex organs i.e., male antheridia and female archegonia. It bears sex organs i.e., male antheridia and female …
Prothallus of the fern producesSporesConesBoth A and BGametes
The prothallus is the fern gametophyte. It is a green, photosynthetic structure that is one cell thick, usually heart or kidney shaped, 3–10 mm long and 2–8 mm broad. Prothallus of fern produces …
Prothallus of Dryopteris is a ................ . It bears archegonia on ...
The spore germinates into gametophyte known as prothallus. Prothallus has archegonia present on the ventral side. Hence, the Prothallus of Dryopteris is a Gametophyte. It bears archegonia …
The prothallus of fern is - Toppr
Prothallium or prothallus is usually the gametophyte stage in the life cycle. The prothallium develops from a germinating spore. It is a short-lived structure, typically 2-5 millimeters wide, …
Fern prothallus is developed from - Toppr
Prothallium, or prothallus is usually the gametophyte stage in the life cycle. The prothallium develops from a germinating spore. It is a short-lived and inconspicuous heart-shaped …
In pteridophytes, prothallus produces - Toppr
In pteridophytes, spore is a haploid structure, which develops after meiosis of spore mother cell. On germination, it gives rise to a green haploid prothallus (gametophyte) which is monoecious, …
The prothallus representsGametophyte of fernSporophyte of ...
This is the gametophyte stage. The prothallus produces a antheridia andarchegonia. These are exosphoric ...
Mention the ploidy of the following : protonemal cell of a moss
Mention the ploidy of the following : protonemal cell of a moss; primary endosperm nucleus in dicot, leaf cell of a moss; prothallus cell of a fern, gemma cell in Marchantia: meristem cell of a …