CBSE Class 11 science: Virus, Viroids and Lichens Videos | Biological Classification

• what is lichane?
• 6th Question answer plzz tell me sir
  
• define extremophiles
• core of the virus are composed of
• peptidoglycan is not found in cell wall of
• What are virulents? Give example.
• Who coined the term virus?
• Who discovered viroids?
• How is a viroid different from a virus?
• What are lichens?

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