Which are the main blood groups found in humans on the basis of antibodies and antigens?

  • A
    $A$,$B$,$AB$,$O$
  • B
    $A$,$B$,$AB$
  • C
    $A$,$B$,$O$
  • D
    $A$,$B$

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Similar Questions

Match the following columns:
Column-$I$ (Blood Group)Column-$II$ (Antibodies)
$P$. $A$$I$. Absent
$Q$. $B$$II$. $a$ (anti-$B$)
$R$. $AB$$III$. $b$ (anti-$A$)
$S$. $O$$IV$. $a, b$ (anti-$A$ and anti-$B$)

Where are the non-nucleated blood cells produced?

Assertion $(A)$: Blood coagulates in uninjured blood vessels.
Reason $(R)$: Uninjured blood vessels release an anticoagulant heparin.

$A$ person with blood group $AB$ is considered a universal recipient because they have:

The haemoglobin content per $100 \ ml$ of blood of a normal healthy human adult is

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