BiologyFormation of Gametophytic Plant Germination of spore and formation of gametophytic plant: (i) The spore germinates in favourable conditions. (ii) At the beginning of germination the exine of spore…
BiologyDescription of Fern Sorus Fern Sorus: Definition: The kidney shaped sporangia growing in a group on the ventral surface of a fern leaf are called fern sori. Position: They…
BiologyWhat is Alternation of Generation of Moss? Alternation of generation: When the repeatation of haploid (n) generation or gametophytic generation or sexual generation and diploid (2n) generation or sporophytic generation or asexual…
BiologyFertilization and Asexual Reproduction of Moss Fertilization: (i) At the matured stage, neck canal cells and venter canal cells eventually fuse making a canal. This canal is usually filled up with…
BiologyExplain Archegonium or Female Reproductive Organ of Moss Archegonium or Female Reproductive Organ of Moss: (i) Archegonia, remaining at the tip of the plant are surrounded by perichaetial leaves and paraphyses (ii) Each…
BiologyExplain Antheridium or Male Reproductive Organ of Moss Antheridium or Male Reproductive Organ of Moss: (i) Antheridia remaining at the tip of the Moss plants are surrounded by perigonial leaves. (ii) Each antheridium…
BiologyDiscuss the Reproduction of Semibarbula or Moss Reproduction of moss/ Semibarbula: Three different types of reproductions are found in moss (I) Vegetative reproduction (II) Sexual reproduction & (III) Asexual reproduction Vegetative reproduction:…
Biologylabelled diagram of Sporophyte of Moss The sporophyte is the diploid phase of the alternation of generations, a method which allows sexual and asexual reproduction to prevent destructive genes to be…
BiologyDraw a Labelled Diagram of Gametophyte of Moss Gametophyte of moss: Gametophyte of moss plant is haploid (n). Its body is divided into two stages. (I) Protonema, and, (II) Gametophore Protonema: Spores produced…
BiologyWhy is Cycas Called a Living Fossil? The Cycas plants of the present time, once dominated comprehensively, creating forests in primitive time. Besides, the different species of Cycas at present have been…