How many turns of the Calvin cycle are required for the formation of one molecule of glucose?

Which is the most abundant enzyme on Earth?

$3 CO_{2} + 9 ATP + 6 NADPH + \text{water} \rightarrow \text{glyceraldehyde 3-phosphate} + 9 ADP + 6 NADP^{+} + 8 Pi$. 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?

The dark reaction of photosynthesis takes place in:

During photosynthesis,the oxygen in glucose is derived from which of the following?

The path of $CO_2$ in the dark reaction of photosynthesis was successfully traced by using which of the following?