Match column I with column II and select the correct option from codes given below.
`{:("Column I", "Column II"),("Leishmania donovani ", (i) "Malaria"), ("Wuchereria bancrofti", (ii) "Amoebiasis"),("Trypanosoma gambiense", (iii) "Kala azar"),("Entamoeba histolytica",(iv) "Sleeping sickness"),(" ", (v) "Filariasis"):}`

Options

A. A-(iv), B-(iii), C-(ii), D-(i)
B. A-(iii), B-(iv), C-(v), D-(ii)
C. A-(iii), B-(v), C-(iv), D-(ii)
D. A-(iii), B-(v), C-(ii), D-(i)

Answer

To solve the matching question, we will go through each item in Column I and match it with the correct disease in Column II.

### Step-by-Step Solution:

1. **Identify the first item in Column I: Leishmania donovani**
- Leishmania donovani is a protozoan parasite known to cause **Kala azar** (visceral leishmaniasis).
- **Match:** Leishmania donovani → (iii) Kala azar

2. **Identify the second item in Column I: Wuchereria bancrofti**
- Wuchereria bancrofti is a nematode (roundworm) that is responsible for causing **Filariasis**.
- **Match:** Wuchereria bancrofti → (v) Filariasis

3. **Identify the third item in Column I: Trypanosoma gambiense**
- Trypanosoma gambiense is a protozoan parasite that causes **Sleeping sickness** (African trypanosomiasis).
- **Match:** Trypanosoma gambiense → (iv) Sleeping sickness

4. **Identify the fourth item in Column I: Entamoeba histolytica**
- Entamoeba histolytica is a protozoan that causes **Amoebiasis** (amoebic dysentery).
- **Match:** Entamoeba histolytica → (ii) Amoebiasis

### Final Matches:
- Leishmania donovani → (iii) Kala azar
- Wuchereria bancrofti → (v) Filariasis
- Trypanosoma gambiense → (iv) Sleeping sickness
- Entamoeba histolytica → (ii) Amoebiasis

### Summary of Matches:
- A → iii
- B → v
- C → iv
- D → ii

### Correct Option:
Based on the matches, the correct option is **third**.

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