Lichens are composite organisms formed by the symbiotic association between a fungus and an alga or cyanobacterium. Specific species of lichens, particularly from the genus Rocella and Leconora, are processed to produce litmus dye.
Which one of the following living organisms gives litmus ?
Asked in UPSC CDS 1 2022 · Topic: Taxonomy (Taxonomic Characters and Evidence (Morphological, Anatomical, Cytological, Molecular))
More Biology questions
- Which one of the following is correct with regards to animals with bilateral symmetry, triploblastic body and true body cavity?
- Which among the following are true about hyperthermophile microbes? 1. The preferred temperature for growth of such microbes is around 45 °C 2. They prefer to grow and reproduce at over 80 °C 3. They normally grow in deep sea floors 4. Below 60 °C they find it too cold and stop growing Select the correct answer using the code given below:
- Reptilia include animals which are cold- blooded, have scales and breathe through lungs.
- Earthworm is a well-known example of
- Which one of the following has the adaptation 'echolocation' to detect the prey?
- In which one of the following trophic structures of ecosystems, both fungi and bacteria occur?
- What are 'circadian rhythms'?
- Which one of the following 'algae' is not known identified partner to form lichen?
