Microbial Photosynthesis Quiz

What is the primary light-harvesting pigment in all photosynthetic organisms?

• Bacteriochlorophyll

• Chlorophyll

• Phycobilins

• Carotenoids

Where do light-dependent reactions of photosynthesis occur in eukaryotes?

• Nucleus

• Cytoplasm

• Chloroplasts

• Mitochondria

Which type of photosynthesis occurs in cyanobacteria?

• Non-cyclic photosynthesis

• Anoxygenic photosynthesis

• Oxygenic photosynthesis

• Cyclic photosynthesis

What do the light-independent reactions of photosynthesis primarily fix?

• Nitrogen

• Glucose

• Carbon dioxide

• Oxygen

Which photosystem generates a proton-motive force for making ATP?

• Photosystem IV

• Photosystem I

• Photosystem II

• Photosystem III

What is the role of carotenoids in photosynthesis?

• Protect against excess light

• Fix carbon dioxide

• Store energy

• Absorb red light

Which pigment is primarily responsible for the red color in red algae?

• Phycocyanin

• Phycoerythrin

• Bacteriochlorophyll

• Chlorophyll

What type of energy transfer do carotenoids perform?

• Singlet-singlet energy transfer

• Proton transfer

• Triplet-triplet energy transfer

• Electron transport

What is the function of phycobilisomes in photosynthesis?

• Transport electrons

• Fix carbon dioxide

• Capture light energy

• Store energy

Which of the following is a characteristic of anoxygenic photosynthesis?

• Produces oxygen

• Uses chlorophyll

• Occurs in plants

• Uses bacteriochlorophyll