{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2024-03-12T13:22:01.028Z","dateModified":"2024-08-09T09:47:06.577Z","typicalAgeRange":"11-18","educationalLevel":"CUET (PG)","assesses":"Environmental Studies - Basics of Environment","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Basics of Environment"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Environmental Studies"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"CUET (PG)"}],"name":"Quiz about Basics of Environment","about":{"@type":"Thing","name":"Environmental Studies - Basics of Environment"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Basics of Environment","text":"The first Jawed vertibrates (Placoderms), arose in which period?","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"\"\""},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

Cambrian

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

Ordovician

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

Devonian

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

Silurian

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

Devonian

","answerExplanation":{"@type":"text","text":"The correct option is (C):Devonian"},"comment":{"@type":"Comment","text":"\"\""}}}]}

The first Jawed vertibrates (Placoderms), arose in which period?

The Correct Option is C

Solution and Explanation

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