MCQ
Methanogens do not produce:
- AOxygen.
- BMethane.
- CHydrogen sulfide.
- DCarbon dioxide.
Methanogens produce methane, carbon dioxide and hydrogen sulphide.
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Statement $I:$Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.
Statement $II:$Rheumatoid arthritis is a condition where body does not attack self cells.
In the light of the above statements, choose the most appropriate answer from the options given below:
