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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
what are components of lichens?Thallus of lichen consist of 2 components 1. Algae and 2. Fungi
briefly describe about phycobiont?-PHYCOBIONT -Algal component of lichens -from BGA or green algae -it performs photosynthesis and provides organic nutrition to the fungal component.
Briefly describe about mycobiont?MYCOBIONT - fungal component of lichens. - from Ascomycetes and basidiomycetes. - it provides protection and inorganic nutrition ( water and Minerals) to algal component.
Name three types of lichens.1. Crustose lichen 2. Foliose lichen 3. Fructicose lichens.
What do you know about crustose lichen?Crustose lichen: Their thallus is flattened lower. Lower surface of these lichens is adhered to the surface like crust. e.g. Graphis
What do you know about Foliose lichens?Their thallus is leafy e.g. Parmelia,Peltigera,Loberia,etc.
What do you know about fruticose lichen?Fruticose lichen: Body of these lichen is highly branched shurb like. e.g. Rocella, Cladonia and usnea.
.Which lichen is commonly known as old man's beard lichen?Usnea.