निम्नलिखित में से किस परजीवी को अपना जीवन चक्र पूरा करने के लिए किसी मध्यवर्ती मेजबान (intermediate host) की आवश्यकता नहीं होती है?

Which statement correctly describes the transmission of Chagas disease by its insect vector?

The trophic stage (trophozoite) during the erythrocytic cycle of Plasmodium lives in the:

Which of the following statements about Ascaris lumbricoides infection are correct? A. Eggs released in feces become infective after embryonation in soil. B. Infection occurs by ingestion of contaminated vegetables containing embryonated eggs. C. Adults live in lymphatic vessels causing chronic inflammation. D. Symptoms may include intestinal blockage and anemia. E. Larvae migrate through the liver and lungs during development.