| 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. |
