Question:

Which of the following is NOT a vector borne disease?

Show Hint

Ascariasis spreads by swallowing eggs, not through a vector.
Updated On: Nov 12, 2026
  • Malaria
  • Dengue
  • Filariasis
  • Ascariasis
Show Solution
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The Correct Option is D

Solution and Explanation

Step 1: Understanding the Concept
A vector-borne disease is carried to humans by an organism such as a mosquito.

Step 2: Check each disease
Malaria is spread by Anopheles, dengue by Aedes and filariasis by Culex.
Ascariasis is caused by the roundworm Ascaris and spreads when eggs are swallowed with contaminated food, water or soil.

Step 3: Conclusion
Only ascariasis has no vector.

Final Answer:
Ascariasis is not vector borne. \[ \boxed{\text{(D) }\text{Ascariasis}} \]
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