Biology
Grade-10
Easy
Question
The C4 pathway's initial product is______________.
- PGA
- DHAP
- Oxaloacetate
- Phosphoenolpyruvate
Hint:
The acetate will combine with this molecule to form citrate in citric acid cycle.
The correct answer is: Oxaloacetate
- Oxaloacetate, a 4 C compound, is formed as the primary product of C4 cycle
- C4 pathway or Hatch-Slack Pathway follows the dark reaction of photosynthesis
- Only 5% of plants follow this pathway
- C4 plants are more efficient in photosynthesis with photorespiration being absent
- Maize, Sugarcane, Amaranthus are examples of C4 plants
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