In which group of organisms, the cell walls form two thin lapping shells which fit together

Which of the following is incorrect about Cyanobacteria?

Match List I with List II

Choose the correct answer from the options given below:

Which of the following are likely to be present in deep sea water?

Viroids differ from viruses in having:

Which of the following structure is not found in a prokaryotic cell?

The imperfect fungi which are decomposers of litter and help in mineral cycling belong to:

Pick up the wrong statement:

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

Which one is a wrong statement?

Select the wrong statement: