Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option.

How many molecules of ATP and NADPH are required for every molecule of $$\mathrm{CO}_2$$ fixed in the Calvin cycle?

Which of the following are required for the dark reaction of photosynthesis?

A. Light

B. Chlorophyll

C. $$\mathrm{CO}_2$$

D. ATP

E. NADPH

Choose the correct answer from the options given below:

Given below are two statements:

Statement I: In $$\mathrm{C}_3$$ plants, some $$\mathrm{O}_2$$ binds to $$\mathrm{RuBisCO}$$, hence $$\mathrm{CO}_2$$ fixation is decreased.

Statement II: In $$\mathrm{C}_4$$ plants, mesophyll cells show very little photorespiration while bundle sheath cells do not show photorespiration.

In the light of the above statements, choose the correct answer from the options given below: