Leucocytes $(WBCs)$ are considered as true cells because

  • A
    They possess a nucleus
  • B
    They do not contain haemoglobin
  • C
    They show great power of movement
  • D
    They are responsible for phagocytic activity

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Similar Questions

The function of vitamin $K$ is:

. . . . . . $A$ . . . . . . grouping is based on the presence or absence of . . . . . . $B$ . . . . . . surface antigen on the $RBC$:

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

Which of the following does not participate in the process of blood clotting?

Which blood group possesses both $A$ and $B$ antigens on the surface of red blood cells?

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