**Core Concept**
Haemolytic anemia is characterized by the premature destruction of red blood cells, often leading to an increase in bilirubin levels and a decrease in haptoglobin. This condition can result in various secondary effects, including hemosiderosis, cholelithiasis, and changes in the liver.

**Why the Correct Answer is Right**
Hemochromatosis is a genetic disorder that leads to excessive iron accumulation in the body. It is not a direct consequence of haemolytic anemia. In fact, haemolytic anemia is often associated with iron deficiency due to increased iron loss through frequent blood transfusions. Hemochromatosis involves a different pathophysiological mechanism, primarily affecting iron regulation and absorption.

**Why Each Wrong Option is Incorrect**
**Option A:** Hemosiderosis is a condition characterized by the accumulation of iron in tissues, often as a result of repeated blood transfusions or chronic hemolysis. It is indeed seen in haemolytic anemia.

**Option C:** Cholelithiasis, or the formation of gallstones, is a known complication of haemolytic anemia. The increased bilirubin levels can lead to the formation of pigment stones in the gallbladder.

**Clinical Pearl / High-Yield Fact**
In haemolytic anemia, the patient's liver function tests may remain normal, but the spleen may be enlarged due to the increased sequestration of red blood cells.

**Correct Answer:**
✓ Correct Answer: B. Hemochromatosis