Which one of the following statements is wrong?

1.	Golden algae are also called desmids
2.	Eubacteria are also called false bacteria.
3.	Phycomycetes are also called algal fungi.
4.	Cyanobacteria are also called blue-green algae.

Which of the following statements is wrong for viroids?
1. They are smaller than viruses
2. They cause infections
3. Their RNA is of high molecular weight
4. They lack a protein coat

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

1. Deuteromycetes

2. Basidiomycetes

3. Phycomycetes

4. Ascomycetes

Select the wrong statement:

Cell wall is absent in:
1. Nostoc
2. Aspergillus
3. Funaria
4. Mycoplasma

Choose the wrong statement:

In which group of organisms the Cell walls form two thin overlapping shells which fit together?

Pick up the wrong statement.

Which of the following are most suitable indicators of SO₂ pollution in the environment?
1. Lichens
2. Conifers
3. Algae
4. Fungi