Which is the first CO2 acceptor enzyme in C4 plants:
1. RuDP Carboxylase
2. Phosphoric acid
3. RUBISCO
4. PEP-Carboxylase
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich pair is wrong:
1. – Maize
2. – Kranz anatomy
3. Calvin cycle - PGA
4. Hatch and Slack cycle – O.A.A
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the sugarcane plant, 14CO2 is fixed in malic acid because the enzyme that fixes CO2 is:
1. Ribulose biphosphate carboxylase
2. Phosphoenol pyruvic acid carboxylase
3. Ribulose phosphate kinase
4. Fructose phosphatase
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAs compared to a -plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by -plants:
1. | Zero | 2. | Six |
3. | Two | 4. | Twelve |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPhotosynthesis in C4 plants is relatively less limited by atmospheric levels because:
1. | The primary fixation of CO2 is mediated via PEP carboxylase |
2. | Effective pumping of CO2 into bundle sheath cells |
3. | Four carbon acids are the primary initial CO2 fixation products |
4. | RuBisCO in C4 plants has a higher affinity for CO2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology