Clumsiness of Rubisco

Q.

The first stable product of CO₂ fixation in sorghum is

1. Pyruvic acid

2. Succinic acid

3. Oxaloacetic acid

4. Phosphoglyceric acid

Q. Which among the following is the initial acceptor of carbon dioxide during photosynthesis?

1. Ribulose - 1, 5 - bisphosphate
2. Ribose - 5 - phosphate
3. Phosphoglyceric acid.
4. Ribulose - 5 - Phosphate

Q. The number of carbon atoms present in ribulose biphosphate is

1. 5
2. 4
3. 6
4. 3