A.Blue-green algae
B.Viruses
C.Lichens
D.Mosses
Related Mcqs:
- True nucleus is not present in:
- If the top soil has been eroded, we retire a land and grow over it:
- Some reliable indicators of air pollutants (SO2 and noxious gases) are:?
- Many forested regions of today were once barren rock areas. Mot likely this change involved the following sequence of stages:
- Which one of the following statement is correct?
- Nitrogen fixation is done by:
- The pioneers in xerach succession is the __________?
- Of the following which one is not the characteristic of green algae??
- Which two primary colours are mixed to make purple ??
- Ecological role of fungi as decomposers is only paralleled by_____________??
