MCQ
Reptilia are differ from Amphibians in this matter
- ASkin
- BStructure of Heart
- CDeveloping stage
- ✓Given all
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$(i)$ Methanogens are archaebacteria which produce methane in marshy areas.
$(ii)$ Nostoc is a filamentous bluegreen alga which fixes atmospheric nitrogen.
$(iii)$ Chemosynthetic autotrophic bacteria synthesize cellulose from glucose.
$(iv)$ Mycoplasma lack a cell wall and can survive without oxygen.The correct statements are