'Sun basket' is

In bacterial photosynthesis,which of the following is present?

Select the correct option:
$(1)$ Maize / Sunflower is a $C_4$ plant.
$(2)$ Rubisco / Oxygenase is the most abundant enzyme in the world.

Read the following four statements ($a, b, c,$ and $d$) carefully and select the option that includes both correct statements.
$(A)$ The $Z$-scheme of light reaction occurs only in the presence of $PSI$.
$(B)$ Only $PSI$ is functional in cyclic photophosphorylation.
$(C)$ Cyclic photophosphorylation results in the synthesis of $ATP$ and $NADPH_2$.
$(D)$ Stroma lamellae lack both $PS-II$ and $NADP$ reductase $(FNR)$.

McAlister and Mayer have studied the Warburg effect on which of the following plants?

Name the two important enzymes of $C_3$ and $C_4$ pathways, respectively. What important role do they play in fixing $CO_2$?