What causes Ascariasis? Mention its causative agent, symptoms, and mode of transmission.

(N/A) Ascariasis is caused by the intestinal parasite $Ascaris \text{ } lumbricoides$ (common roundworm).
Causative Agent: The pathogen responsible for Ascariasis is $Ascaris \text{ } lumbricoides$.
Symptoms: The symptoms of Ascariasis include internal bleeding, muscular pain, fever, anemia, and blockage of the intestinal passage.
Mode of Transmission: The eggs of the parasite are excreted along with the feces of infected persons, which contaminate soil, water, plants, etc. A healthy person acquires this infection through the consumption of contaminated water, vegetables, fruits, etc.