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Question: Answered & Verified by Expert
Select the correct combination of the statements (A-D) regarding the characteristics of certain organisms.
A. Methanogens are Archaebacteria, which produce methane in marshy areas.
B. Nostoc is a filamentous blue-green algae, which fixes atmospheric nitrogen.
C. Chemosynthetic autotrophic bacteria synthesize cellulose from glucose.
D. Mycoplasma lack a cell wall and can survive without oxygen.
BiologyBiological ClassificationNEETNEET 2010 (Mains)
Options:
  • A B, C
  • B A, B, C
  • C B, C, D
  • D A, B, D
Solution:
2021 Upvotes Verified Answer
The correct answer is: A, B, D
Methanogens are archaebacteria, which produce methane in marshy areas.
Nostoc is a blue-green alga, which fixes atmospheric nitrogen.
Chemosynthetic autotrophs oxidize inorganic substances to produce energy and help in the cycling of minerals.
Mycoplasmas are a group of eubacteria that lack a rigid cell wall and can survive without oxygen.

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