Question

Given below are two statements:
Statement I: Mosquito, Aedes aegypti is a vector of dengue fever, chikungunya and yellow fever virus.
Statement II: The disease rickettsia is spread by House fly.
In light of the above statements, choose the most appropriate answer from the options given below:

• A. Both Statement I and Statement II are true
• B. Both Statement I and Statement II are false
• C. Statement I is correct but Statement II is false
• D. Statement I is incorrect but Statement II is true

Hint:

Disease vectors:
- Aedes aegypti: Dengue, Chikungunya, Yellow fever.
- Housefly: Typhoid, Cholera (mechanical).
- Ticks: Rickettsia (Rocky Mountain spotted fever).

Answer 1

The Correct Option is C

Step 1: Understanding the Question:
This question tests knowledge of disease vectors.

Step 2: Detailed Explanation:
Aedes aegypti is a vector for dengue fever, chikungunya, yellow fever, and Zika virus.
This statement is correct.
Rickettsia is transmitted by ticks, mites, fleas, and lice, not by houseflies.
Houseflies transmit diseases like typhoid, cholera, and dysentery (mechanical transmission).
Thus, Statement I is correct, but Statement II is false.

Step 3: Final Answer:
Thus, Statement I is correct but Statement II is false, which corresponds to option (C).
[0.5cm]