MCQ
Biogas contains
- A$30\;\% -40\;\%$ $Methane$
- B$50\;\% -70\;\% CO_2$
- ✓$50\;\% -70\;\%$ $Methane$
- D$20\;\%$ $Methane$
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$I.$ Enzymes
$II$. RNA primer
$III.$ DNA probe
$IV.$ Vectors
$V.$ host organisms
Select the correct option
$R$ - The salt concentration is $45 -50$ (parts per thousand) in the sea.
