This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Unsegmented eggs are seen in which of the following 
Select and explain. 
A. Trichuris trichura, B. Necator americanus, C. Ankylostoma, D. Dracunculus
A: Trichuris trichura
Answer: A: Trichuris trichura 
Explanation: Manner of egg layingOrganismsOviparous Unsegmented eggsAscaris lumbricoides , Trichuris trichiuraSegmented eggsAncylostoma duodenale, Necator americanusEgg containing larvaEnterobius vermicularisViviparous Dracunculus medinensis, Trichinella spiralis , Brugia spp, Wuchereria bancrofti , OvoviviparousStrongyloides stercoralis(Ref: K.D Chatterjee 13th edition, p205-206)