Class 12 · Human Health and Diseases

Helminths and Parasitic Disease Transmission—NEET Biology

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Ascaris, the common round worm and Wuchereria, the filarial worm, are some of the helminths which are known to be pathogenic to man. Ascaris, an intestinal parasite causes ascariasis. Symptoms of these disease include internal bleeding, muscular pain, fever, anemia and blockage of the intestinal passage. The eggs of the parasite are excreted along with the faeces of infected persons which contaminate soil, water, plants, etc. A healthy person acquires this infection through contaminated water, vegetables, fruits, etc.

NCERT Biology · Class 12 · Chapter 7 · Paragraph 20
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Which of the following statements regarding ascariasis are NOT correct? S1: Ascariasis is caused by Ascaris, which is a common flatworm. S2: Symptoms of this disease typically include internal bleeding, muscular pain, fever, anemia, and often blockage of the intestinal passage. S3: A healthy person primarily acquires this infection through the bite of an infected mosquito vector. S4: The eggs of the parasite are excreted along with the faeces of infected persons, contaminating soil, water, and plants. S5: Maintaining proper personal and public hygiene, especially concerning food and water, is crucial for preventing ascariasis.

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