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Worksheets10.3 Microbial Physio Module 10: Fermentation & Photosynthesis
Total questions: 10
Worksheet time: 5mins
Which bacteria use the reverse tricarboxylic acid (TCA) cycle for CO₂ fixation?
Chlorobium limicola
Escherichia coli
Rhodopseudomonas palustris
Clostridium acetobutylicum
Which bacterial photosynthetic pathway does not involve the production of oxygen?
Anoxygenic photosynthesis
Oxygenic photosynthesis
Chemolithotrophy
Oxidative phosphorylation
What is the role of quinones in bacterial photosynthesis?
Light absorption
ATP hydrolysis
Electron transfer
Carbon fixation
What type of metabolism combines photosynthesis and nitrogen fixation in bacteria?
Phototrophy
Chemotrophy
Photoautotrophy
Photoheterotrophy
Which bacteria thrive in light-exposed, anoxic environments?
Rhodobacter species
Escherichia coli
Clostridium botulinum
Pseudomonas aeruginosa
What is a by-product of bacterial oxygenic photosynthesis?
Sulfate
Methane
Oxygen
Ethanol
Which process occurs in the purple sulfur bacteria to generate ATP?
Non-cyclic photophosphorylation
Cyclic photophosphorylation
Substrate-level phosphorylation
Fermentation
Which gas inhibits nitrogenase activity in nitrogen-fixing photosynthetic bacteria?
CO₂
O₂
H₂S
N₂
Which bacterial photosynthesis pigment absorbs light maximally in the far-red region?
Bacteriochlorophyll g
Chlorophyll a
Phycoerythrin
Carotenoid
Which bacterium performs both anoxygenic photosynthesis and hydrogen production?
Rhodopseudomonas palustris
Escherichia coli
Lactobacillus acidophilus
Methanosarcina
