Section 4: Bioprocess Engineering and Process Biotechnology
Mass transfer in bioprocesses (kLa)
Subtopic: Fundamentals of Mass transfer in bioprocesses (kLa)
Question Statement:
Match the disease (Column I) with its biological vector (Column II).
Column I Column II
P. Chagas disease 1. Tsetse flies
Q. Trypanosomiasis 2. Mosquitoes
R. Leishmaniasis 3. Sandflies
S. Yellow Fever 4. Reduviid bugs
Options:
(A) P-4; Q-1; R-3; S-2
(B) P-2; Q-3; R-4; S-1
(C) P-1; Q-4; R-3; S-2
(D) P-3; Q-1; R-2; S-4
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Concept Analysis (GATE BT 2024 Q.36)**
**1. Governing Concept**:
- **Topic**: Parasitology & Vector-Borne Infectious Diseases
- Disease and vector pairs:
- **P. Chagas disease** (*American trypanosomiasis*, caused by *Trypanosoma cruzi*) $\rightarrow$ transmitted by **Reduviid bugs** (triatomine / kissing bugs) $\rightarrow$ **4**
- **Q. African Trypanosomiasis** (*Sleeping sickness*, caused by *Trypanosoma brucei*) $\rightarrow$ transmitted by **Tsetse flies** (*Glossina* spp.) $\rightarrow$ **1**
- **R. Leishmaniasis** (*Kala-azar*, caused by *Leishmania* spp.) $\rightarrow$ transmitted by **Sandflies** (*Phlebotomus* spp.) $\rightarrow$ **3**
- **S. Yellow Fever** (caused by Yellow fever flavivirus) $\rightarrow$ transmitted by **Mosquitoes** (*Aedes aegypti*) $\rightarrow$ **2**
**2. Option Analysis**:
- **Option (A) [P-4; Q-1; R-3; S-2] is CORRECT**: All four disease-vector pairings perfectly matched.
- **Option (B) is INCORRECT**: Misassigns Chagas disease to mosquitoes.
- **Option (C) is INCORRECT**: Reverses Chagas disease and African Trypanosomiasis.
- **Option (D) is INCORRECT**: Misassigns Yellow fever to Reduviid bugs.
**3. Final Answer**:
- **Correct Choice**: **A**
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