Which of the following are considered intermediate between viruses and bacteria?

The mode of nutrition in bacteria is .......

Select the mismatched pair from the following.

Which of the following is true for Cyanobacteria?

Bacterial flagella are made up of:

Choose the correct statements $(i - iv)$ regarding mycoplasma:
$(i)$ Mycoplasma has no cell wall.
$(ii)$ Mycoplasma is the smallest living organism known.
$(iii)$ Mycoplasma cannot survive without $O_2$.
$(iv)$ Mycoplasma are pathogenic in animals and plants.