{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2026-08-05T07:55:22.114Z","dateModified":"2026-08-05T07:55:22.114Z","typicalAgeRange":"11-18","educationalLevel":"ICAR AIEEA (PG)","assesses":"Agronomy - Plant Growth Hormones and Micronutrients","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Plant Growth Hormones and Micronutrients"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Agronomy"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"ICAR AIEEA (PG)"}],"name":"Quiz about Plant Growth Hormones and Micronutrients","about":{"@type":"Thing","name":"Agronomy - Plant Growth Hormones and Micronutrients"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Plant Growth Hormones and Micronutrients","text":"What is the enzyme responsible for carboxylation in C4 plants?}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"Remember the primary carbon-fixing enzymes: \n- C3 Plants: RuBisCO (fixes \\( \\text{CO}_2 \\) to Ribulose-1,5-bisphosphate). \n- C4 Plants: PEP Carboxylase (fixes \\( \\text{CO}_2 \\) to Phosphoenolpyruvate)."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

Phosphoenol pyruvic acid (PEP) carboxylase

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

Phosphophenol pyruvic acid (PEP) carboxylase

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

Phospho pyruvic acid (PEP) carboxylase

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

Phosphanol pyruvic acid (PEP) carboxylase\n\n

","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

Phosphoenol pyruvic acid (PEP) carboxylase

","comment":{"@type":"Comment","text":"Remember the primary carbon-fixing enzymes: \n- C3 Plants: RuBisCO (fixes \\( \\text{CO}_2 \\) to Ribulose-1,5-bisphosphate). \n- C4 Plants: PEP Carboxylase (fixes \\( \\text{CO}_2 \\) to Phosphoenolpyruvate)."},"answerExplanation":{"@type":"comment","text":""}}}]}

What is the enzyme responsible for carboxylation in C4 plants?

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The Correct Option is A

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