Nostoc is named after which of the following scientists?

Chromatophores are absent in

Organisms that obtain energy by the oxidation of reduced inorganic compounds are called .....

Mycoplasma is:

In the vast marine ecosystem, certain seas develop red colouration. This red colour is due to the presence of a large population of which one of the following organisms?

Which of the following is a characteristic of thermoacidophiles?