The $pH$ of human blood varies between

  • A
    $6.0$ to $7.0$
  • B
    $7.0$ to $8.0$
  • C
    $7.3$ to $7.45$
  • D
    $7.5$ to $8.0$

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Vitamin $B_{12}$ is helpful:

Match the following:
Column-$I$ Column-$II$ and Column-$III$
$X$. $RBC$ $R$. Lack of nucleus,$A$. $5-5.5$ Million
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$Z$. Eosinophil $Q$. Granulocyte,$B$. $2-3\%$

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