MCQ
There is no life on moon due to absence of:
- AO2.
- BWater.
- CLight.
- DTemperature.
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$I.$ organic acid
$II.$ rumen of cattle
$III.$ butanal
$IV.$ anaerobic sludge
Choose the correct option
$R$ - With the help of $PCR$ thousand of $DNA$ copies are formed