During photosynthesis,$ATP$ functions to transfer energy from:

The balance between $CO_2$ and $O_2$ in the atmosphere is maintained by:

Photosynthesis without the evolution of oxygen is a characteristic of which of the following?

Assertion: Six molecules of $CO_2$ and twelve molecules of $NADPH + H^+$ and $18\, ATP$ are used to form one hexose molecule.
Reason: Light reaction results in the formation of $ATP$ and $NADPH_2$.

Select the correct statement.

Consider the following statements regarding photosynthesis:
$(A)$ $ATP$ formation during photosynthesis is termed as photophosphorylation.
$(B)$ Kranz anatomy pertains to leaf.
$(C)$ Reduction of $NADP^+$ to $NADPH$ occurs during Calvin cycle.
$(D)$ In a chlorophyll molecule,magnesium is present in the phytol tail.
Which of the above statements are correct?