Who proved that viruses are crystalline like structures?

Which among the following is incorrect about Cyanobacteria?

Why are viruses not included in any of the five kingdoms?

Which among the following statements are incorrect about Fungi?

Which among the following is not a difference between viruses and viroids?

Which among the following is used in preparation of anti-biotic?

Cell wall in diatoms is made of ___

Viruses contain sheath made of __