In photosynthesis,the light-independent reactions take place at

Suspension of isolated thylakoids in a culture medium containing $CO_2$ and $H_2O$ does not produce hexose due to the absence of which of the following?

Consider the given two statements:
Statement $I$: Carbon reactions during photosynthesis in higher plants are called as dark reactions.
Statement $II$: They always occur in darkness and they are not light-dependent.

Regeneration of four molecules of $RuBP$ in $C_3$ cycle requires the expenditure of . . . . . . $ATP$.

Select the incorrect option for the dark reaction.

Which of the following is found in maximum concentration in the chloroplast?