Normal leucocyte count is ?

Ans. is 'b' i.e., 4000 - 11000The normal range of leucocytes is 4000 - 11000 white blood cells per microliter.Of these, Neutrophils form 50 - 70%, lymphocytes 20 - 40%, monocytes 2 - 8%, eosinophils 1 -4%, basophils 0.4%.