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Multiple Choice Question

In the C4 photosynthetic pathway, which enzyme is responsible for the initial carboxylation of carbon dioxide in the mesophyll cells?C4 प्रकाश संश्लेषक मार्ग में, मेसोफिल कोशिकाओं में कार्बन डाइऑक्साइड के प्रारंभिक कार्बोक्सिलीकरण के लिए कौन सा एंजाइम जिम्मेदार है?

  • A
    RuBisCO
    रुबिस्को (RuBisCO)
  • B
    PEP Carboxylase
    PEP कार्बोक्सिलेज
  • C
    Malate Dehydrogenase
    मैलेट डिहाइड्रोजनेज
  • D
    Pyruvate Dikinase
    पाइरूवेट डाइकाइनेज
Explanation:
In C4 plants, PEP Carboxylase (Phosphoenolpyruvate carboxylase) efficiently fixes CO2 into the 4-carbon compound oxaloacetate in the mesophyll cells.
C4 पौधों में, PEP कार्बोक्सिलेज मेसोफिल कोशिकाओं में CO2 को 4-कार्बन यौगिक ऑक्सालोएसीटेट में कुशलता से स्थिर करता है।
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This question belongs to the set "Biology Practice Test 20 – Unit 5 (Plant Physiology & Taxonomy (Botany) – SET 4/4)". Click below to read detailed notes and attempt the full quiz.

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