MCQ
Methanogens, growing anaerobically on cellulosic material, produce:
- AMethane gas.
- BMethane and carbon dioxide.
- CMethane and hydrogen.
- DMethane, carbon dioxide, hydrogen.
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| List $I$ | List $II$ |
| $A$. Vasectomy | $I$. Oral method |
| $B$. Coitus interruptus | $II$. Barrier method |
| $C$. Cervical caps | $III$. Surgical method |
| $D$. Saheli | $IV$. Natural method |
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