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Q.
The first stable product of $ C_{4}- $ pathway is
J & K CETJ & K CET 2012Photosynthesis in Higher Plants
Solution:
In $C_{4}$ plants the first stable product is $4-C$ compound oxaloacetic acid. Phosphoenol pyruvate recieves $CO _{2}$ and produce it. In $C_{3}$ plants the $RuBP$ recieves $C O_{2}$ and forms phosphoglyceric acid (a $3-C$ compound).