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
Fully embryonated egg of trichuris trichiura contains - 
Select and explain. 
A. Eight blastomeres, B. Unsegmented ova, C. Rhabditiform larva, D. Ciliated embryo
C: Rhabditiform larva
Answer: C: Rhabditiform larva 
Explanation: Life cycle of Trichuris trichiura. 1. Adult male and female in human caecum. 2 Freshly passed egg in faeces, containing unsegmented ovum. Not infective. 3. Mature egg in soil, containing coiled rhabditiform larva. Infective stage TEXTBOOK OF MEDICAL PARASITOLOGY,CKJ PANIKER,6TH EDITION,PAGE NO 167