Light and dark reactions, C3/C4 pathways, Calvin cycle, photorespiration.
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Q1 · Photosynthesis in Higher Plants · EASY
In the light reaction of photosynthesis, water molecules are split in the presence of light. This process is called photolysis. Which of the following is NOT a product of photolysis of water?
Q2 · Photosynthesis in Higher Plants · EASY
The primary CO₂ acceptor in the Calvin cycle is a 5-carbon compound. What is this compound called?
Q3 · Photosynthesis in Higher Plants · MEDIUM
In C4 plants, the first stable product of CO₂ fixation is a 4-carbon compound. Which enzyme is responsible for the initial fixation of CO₂ in the mesophyll cells of C4 plants?
Q4 · Photosynthesis in Higher Plants · MEDIUM
Photorespiration occurs when RuBisCO binds to O₂ instead of CO₂. In which type of cells does photorespiration primarily occur, and what is the first product formed?
Q5 · Photosynthesis in Higher Plants · HARD
The Z-scheme of light reactions shows the flow of electrons through photosystems II and I. If a researcher blocks the electron transport between the two photosystems by using DCMU (an inhibitor), which of the following processes will be directly affected FIRST?