Major utilisation of carbon from the atmosphere is through

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

The energy of a mole of light quanta is $72 \ kcal$ in the blue region at $400 \ nm$ and $41 \ kcal$ in the red region at $700 \ nm$. How much light energy would be required under standard conditions to make $1 \ mole$ of glucose costing $686 \ kcal$?

Photosynthesis occurs in .......

In which of the following is the rate of transpiration highest?

Assertion: Bacterial photosynthesis occurs by utilizing wavelength longer than $700\, nm$.
Reason: Here reaction centre is $B-890$.