{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2025-07-03T08:27:34.609Z","dateModified":"2025-07-03T08:27:34.609Z","typicalAgeRange":"11-18","educationalLevel":"ICAR AIEEA (PG)","assesses":"Entomology - Nematodes","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Nematodes"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Entomology"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"ICAR AIEEA (PG)"}],"name":"Quiz about Nematodes","about":{"@type":"Thing","name":"Entomology - Nematodes"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Nematodes","text":"Which of the following is a characteristic feature of entomopathogenic nematodes?}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"EPNs + Symbiotic bacteria = Effective biological insect control."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

They are obligate plant parasites

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

They have a symbiotic relationship with bacteria

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

They reproduce only in aquatic environments

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

They are vectors of plant viruses
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","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

They have a symbiotic relationship with bacteria

","comment":{"@type":"Comment","text":"EPNs + Symbiotic bacteria = Effective biological insect control."},"answerExplanation":{"@type":"comment","text":"Entomopathogenic nematodes (EPNs), such as those in the genera Steinernema and Heterorhabditis , are known for their symbiotic relationship with specific bacteria ( Xenorhabdus and Photorhabdus , respectively). These nematodes infect insect hosts and release their symbiotic bacteria, which kill the host and create a suitable environment for nematode reproduction."}}}]}

Which of the following is a characteristic feature of entomopathogenic nematodes?

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The Correct Option is B

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