Chloroplasts fix which of the following?

The value of the temperature coefficient $(Q_{10})$ for the dark reaction is .......

Which among the following is not a step in the Calvin cycle?

$3 CO_{2} + 9 ATP + 6 NADPH + \text{water} \rightarrow \text{glyceraldehyde 3-phosphate} + 9 ADP + 6 NADP^{+} + 8 \Pi$. Analyse the above reaction and answer the following questions:
$(a)$ How many molecules of $ATP$ and $NADPH$ are required to fix one molecule of $CO_{2}$?
$(b)$ Where in the chloroplast does this process occur?

In the condensed schematic representation of the dark reaction of photosynthesis given below,steps are indicated by alphabets. Select the option where the alphabets are correctly identified.

The conversion of $1,3$-bisphosphoglycerate to $3$-phosphoglycerate involves: