Helminths: Cestodes and Trematodes
- Previous year questions on Helminths: Cestodes and Trematodes for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Microbiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 65 live questions in Helminths: Cestodes and Trematodes.
- 8 of 65 questions carry a verified exam year: 2017, 2018, 2019.
- Microbiology is worth about 20 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 5 Sept 2026.
Q1.All of the following have operculated eggs except:
- AClonorchis sinensis
- BDiphyllobothrium latum
- CHymenolepis diminuta✓ Correct answer
- DFasciola hepatica
Q2.A fisherman presents with C/O chronic diarrhea and fatigue. His physician orders a P/S, which reveals a megaloblastic anemia. Most likely cause is
- AClonorchis sinensis
- BD. latum✓ Correct answer
- CE. granulosus
- DT. saginata
Q3.Smallest cestode among the following;
- AH. nana✓ Correct answer
- BSchistosoma
- CT. saginata
- DT. Solium
Q4.The organism causing biliary duct obstruction?
- AClonorchis sinensis✓ Correct answer
- BAnkylostoma duodenale
- CStrongyloides stercoralis
- DEnterobius vermicularis
Q5.Which parasite lives in bladder plexus?
- ASchistosoma✓ Correct answer
- BFasciola
- CAscaris
- DEchinococcus
Q6.A 35 year old man presented with dry cough and rusty colored sputum. He has a history of eating in a Chinese restaurant very often with consumption of crabs. What is the probable causative agent in this condition?
- ADiphyllobothrium latum
- BPneumocystis jirovecii
- CParagonimus westermani✓ Correct answer
- DStrongyloides stercoralis
Q7.Smallest helminth among the following is:
- AHymenolepis diminuta
- BHymenolepis nana✓ Correct answer
- CDiphyllobothrium latum
- DBalantidium coli
Q8.Autoinfection is NOT seen in:
- AH. nana
- BH. diminuta✓ Correct answer
- CStrongyloidosis
- DTaenia solium
Q9.Live part of hydatid cyst
- APericyst
- BEctocyst
- CEndocyst✓ Correct answer
- DNone of the above
Q10.Fish is one of host for all of the following except
- AParagonimus westermani✓ Correct answer
- BClonorchis sinensis
- COpisthorchis viverrini
- DDiphyllobothrium latum
Answer key
Q1: C. Hymenolepis diminuta; Q2: B. D. latum; Q3: A. H. nana; Q4: A. Clonorchis sinensis; Q5: A. Schistosoma; Q6: C. Paragonimus westermani; Q7: B. Hymenolepis nana; Q8: B. H. diminuta; Q9: C. Endocyst; Q10: A. Paragonimus westermani.
Other topics in Microbiology
- Principles of General Microbiology
- Cells and Organs of the Immune System
- Immune System: Organisation, Function and Response
- Hypersensitivity
- Disorders of Immunity
- Streptococci and Enterococci
- Staphylococci
- Corynebacterium, Listeria and Actinomyces
- Clostridium and Bacillus
- Non-Sporing Anaerobes
- Mycobacterium Tuberculosis
- Mycobacteria Other Than Tuberculosis
- Escherichia, Proteus and Klebsiella
- Shigella and Salmonella
- Vibrio and Campylobacterales
- Pseudomonas and Burkholderiales
- Haemophilus
- Yersinia, Brucella, Bartonella and Legionella
- Gram-Negative Cocci
- Rickettsia, Chlamydia and Mycoplasma
- Spirochetes
- Virus Structure and General Properties
- DNA Viruses
- Hepatitis
- HIV
- Myxoviruses and Rhabdoviruses
- Arboviruses and Picornaviruses
- Rubella, Coronaviruses, Prions, Rotavirus, Filovirus, Zika Virus and Nipah Virus
- Superficial and Systemic Fungal Infections
- Opportunistic Fungal Infections
- Principles of Parasitology
- Protozoa: Amoebae, Ciliates and Flagellates
- Protozoa: Sporozoa
- Helminths: Nematodes
- Applied Clinical Microbiology