{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2024-05-21T07:41:38.170Z","dateModified":"2025-04-02T13:14:10.237Z","typicalAgeRange":"11-18","educationalLevel":"","assesses":"Biology - Environmental Science ","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Environmental Science "},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Biology "},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":""}],"name":"Quiz about Environmental Science ","about":{"@type":"Thing","name":"Biology - Environmental Science "},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Environmental Science ","text":"Which deficiency is the most common cause of childhood blindness?}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"\"\""},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

Iron-deficiency anemia (IDA)

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

Vitamin A deficiency (VAD)

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

Iodine deficiency disorder (IDD)

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

Zinc deficiency

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

Vitamin A deficiency (VAD)

","comment":{"@type":"Comment","text":"\"\""},"answerExplanation":{"@type":"comment","text":"The correct option is(B): Vitamin A deficiency (VAD)"}}}]}

Which deficiency is the most common cause of childhood blindness?

The Correct Option is B

Solution and Explanation