${C_4}$ Cycle was first discovered in?

The primary distinction between $C_3$ and $C_4$ plants lies in their:

In photorespiration, RuBP is converted to:

The ratio of oxygen consumed to CO2 released during photorespiration is:

Photorespiration results in the loss of which molecule?

In leaves of ${C_4}$ plants, malic acid synthesis during $C{O_2}$ fixation occurs in?

When $C{O_2}$ is added to PEP, the first stable product synthesized is?

Photorespiration is initiated by the enzyme RuBisCO's ability to also bind:

A researcher is studying a C4 plant under controlled conditions. They suddenly increase the oxygen concentration in the environment while maintaining constant light and CO2 levels. Which of the following is the MOST likely immediate consequence?

$PEP$ carboxylase is associated with

Oxygenic photosynthesis occurs in?