the first stable intermediate product formed during dark reaction of photosynthesis is

1. ribulose-5-phosphate
2. fructose-6-phosphate
3. phosphoglyceraldehyde
4. glucose-1-phosphate

Hello Student
Correct Answer is 3) Phosphoglyceraldehyde
There are three molecules of CO₂combines with three molecules of RuBP to produce three molecules of unstable 6-C compound which immediately breaks down into molecules of three phosphoglyceric acid ot phsphoglyceraldehyde.