abida Archive
TYPE ANTHOCEROS Occurrence Anthoceros grows on moist soil. They are present in shady places or ;n the crevices of rocks. Anthoceros erecrus, A. himalayensis, and A. chambensis are commonly found in Westeni Himalayas General structure Anthoceros has thallus body. It is lobed and it
Ricca Scientific classification Division Bryophyta Class Hepaticae Order Marchantiales Family Ricciaceae Genus Riccia OCCURRENCE The genus Riccia has aboutI30 species. Some botanists have reported its 200 species. Many of its species are found in Punjab. Kashmir and Western Himalayas. The species are found scattered
Occurrence of bryophytes Bryophytes are terrestrial plants. They mostly grow in moist and cold habitats. Some species can grow in dry places. But they depend on moisture for the reproductive stage. Bryophytes have world wide in distribution. They are found in tropical, temperate, subarctic
Multiple Choice Questions (MCQs) Cell containing many nuclei are called: (a) Coenocyte (b) Hyphae (c) Mycelium (d) Sporophore The group or mass of hyphae is:(a) Coenocyte (b) Hyphae (c) Mycelium (d) Sporophore Sometimes, hyphae organized to form fruiting bodies. These fruiting bodies: (a) Sporophore
What are saprophytic fungi? Ans: These fungi get their food from dead organic matter. They secretes enzyme in their substratum. These enzymes break the organic matter into simple compounds. Then fungi absorb these substances. Give occurrence of fungi. Ans l Fungi are found in
Give general structure of fungi. Discuss reproduction in fungi. Describe classification of fungi. Discuss occurrence, general structure and reproduction in Plasmodiophora. Write not Pythium. Describe structure and life cycle of Penicillium. Describe life cycle of Saccharomyces. Write note on Alternaria. Describe life cycle of
Ctienocyte Hyphae containing many nuclei are called coenocyte. Sometimes, hyphae organized to form fruiting bodies. These fruiting bodies are called sporophores. The tissues composed of compact mass of hyphae are called plectenchyma. Sporophores PIPctenchyma Pr menchyma The tissues with distinct hyphae are
General structure Physcia is foliose lichen. Physcia is divided into four regions internally. These regions are: 1. Upper cortex: It is present at the upper regions. It is composed of closely packed hyphae. Spaces are absent between them. if spaces are present, they are
General characters:The intimate symbiotic association of fungi and algae is called lichens.Algae get protection and get moisture from fungus.Fungi get nutrition from the algae.The food substances diffuse from algae to fungi.The algae of lichens mostly belong to Chlorophyta and cyanobacteria. Distribution: Lichens have worldwide
RUSTS Causative agent: Puccinia graminh (Basidiomycota) Affected plants: Wheat, barberry Symptoms: Reddish streaks (pustules) appear on the stems and other parts of wheat. These streaks may affect most of the plant. They give rusted appearance to whole of the plant. As the season advance-,
