Question

Correlation between Kranz anatomy and $C_4$ pathway of $C{O}_2$ assimilation was first established by

• A. Hill and Bendall
• B. Calvin
• C. Downton and Treguna
• D. Arnold

Answer 1

The correct option is C Downton and Treguna

The metabolic pathway of $C_4$ photosynthesis was first described in 1980s by Hatch and Slack. The integrated picture of $C_4$ photosynthesis was quickly formulated from the physiology, structure and ecology that were associated with the group of plants known to have Kranz anatomy by Downton and Treguna by 1968.