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?
A significant decrease in the rate of photosynthesis
A slight increase in photorespiration
A significant increase in the rate of photosynthesis
No change in the rate of photosynthesis or photorespiration
Related Questions
The process which makes major difference between and plants is
respiration
glycolysis
Calvin cycle
photorespiration
Which organelle is involved in the salvage pathway of photorespiration?
Chloroplast
Mitochondrion
Peroxisome
Golgi apparatus
In which cell type does the Calvin cycle occur in C4 plants?
Bundle sheath cells
Mesophyll cells
Epidermal cells
Guard cells
Which enzyme is responsible for the initial carboxylation in C4 plants?
PEP carboxylase
RuBisCO
Kinase
Dehydrogenase
Which of the following is NOT a characteristic of C4 plants?
High CO2 compensation point
Kranz anatomy
Presence of PEP carboxylase
Dimorphic chloroplasts
The primary benefit of the C4 pathway is:
Minimizing photorespiration
Increasing water use efficiency
Enhancing light absorption
Reducing the need for RuBisCO
The ratio of oxygen consumed to CO2 released during photorespiration is:
1:1
1:2
2:1
3:1
In leaves of plants, malic acid synthesis during fixation occurs in?
epidermal cells
Mesophyll cells
bundle sheath cells
Guard cells
carboxylase is associated with
C3 pathway
C4 and CAM pathways
Glycolysis
Krebs cycle
In photorespiration, RuBP is converted to:
PGA and phosphoglycolate
Two molecules of PGA
Two molecules of phosphoglycolate
PGA and oxaloacetate
