Dengue NEET 2025 Level Human Health and Disease Zoology NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

What is the causative agent of dengue fever in humans?

1.	Aedes aegypti mosquito	2.	A virus
3.	A bacterium	4.	Prion

Subtopic: Common Diseases in Humans | Dengue |

From NCERT

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How does the dengue virus cause complications in infected patients?

1.	By directly infecting and destroying red blood cells, leading to anaemia.
2.	By causing fluid leakage from blood vessels, which can lead to low blood pressure and shock.
3.	By infecting the respiratory system, causing difficulty in breathing.
4.	By producing toxins that directly damage liver cells and lead to jaundice.

Subtopic: Dengue |

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