MCQ
Which one is irrelevant to evolution of man?
- APerfection of hand for tool making.
- BChange of diet from hard nuts$/$ roots to soft food.
- CIncreased ability to communicate or develop community behaviour.
- ✓Loss of tail.
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$II. ...C...$ are hybrid vectors derived from plasmids which contain or site of $\lambda$ phage
$A, B$ and $C$ in above statements refers to