{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2025-03-18T07:58:22.291Z","dateModified":"2026-03-06T07:45:00.540Z","typicalAgeRange":"11-18","educationalLevel":"TS EAMCET","assesses":"Botany - Genetics and Evolution","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Genetics and Evolution"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Botany"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"TS EAMCET"}],"name":"Quiz about Genetics and Evolution","about":{"@type":"Thing","name":"Botany - Genetics and Evolution"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Genetics and Evolution","text":"Prolonged P-R interval in ECG indicates:}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"A prolonged P-R interval is usually seen in conditions such as heart block, which is often associated with bradycardia."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

Tachycardia

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

Myocardial infarction

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

Bradycardia

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

Hyperkalemia\n\n

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

Bradycardia

","comment":{"@type":"Comment","text":"A prolonged P-R interval is usually seen in conditions such as heart block, which is often associated with bradycardia."},"answerExplanation":{"@type":"comment","text":"- A prolonged P-R interval on an ECG typically indicates bradycardia, a condition in which the heart beats slower than normal. - Tachycardia, myocardial infarction, and hyperkalemia do not generally cause a prolonged P-R interval."}}}]}

List-1	List-2
A. Interferons B. Immunoglobulin II. C. Interleukins III. D. Tc - lymphocytes IV.	I. Leucocytes II. Perforins III. Antiviral proteins IV. Paratope V. Lysozyme

Prolonged P-R interval in ECG indicates:

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The Correct Option is C

Solution and Explanation

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