Chlorophyll and Photosynthesis Quiz

What is the function of chlorophyll in plants?

• Produce oxygen

• Absorb visible light

• Release energy

• Store water

What is the primary role of chlorophyll a in photosynthesis?

• Split water molecules

• Absorb blue and red light

• Reflect green light

• Produce ATP

What is the structure of chlorophyll's head?

• Flat hydrophilic head with a magnesium atom

• Lipid-soluble hydrocarbon tail

• Long hydrophilic tail with a nitrogen atom

• Round hydrophobic head with a calcium atom

What is the function of the light-harvesting complex in the photosystem?

• Split water molecules

• Reflect green light

• Produce NADPH

• Absorb photons and transfer energy to the reaction center

Which photosystem effectively absorbs light with a wavelength of 680nm?

• Photosystem I

• Photosystem II

• Both Photosystem I and II

• Neither Photosystem I nor II

What is the by-product of the light reactions in photosynthesis?

• NADPH

• Oxygen

• ATP

• Glucose

What is the process of incorporating an inorganic carbon molecule into an organic material called?

• Carbon regeneration

• Carbon fixation

• Carbon reduction

• Carbon synthesis

What is the enzyme responsible for attaching CO2 to a five-carbon sugar molecule in the Calvin Cycle?

• Rubisco

• NADP+ reductase

• Plastoquinone

• Pc

How many molecules of G3P are needed to make one molecule of glucose in the Calvin Cycle?

• Three

• Four

• One

• Two

What is the cost of making one molecule of G3P in the Calvin Cycle?

• 3 molecules of CO2, 9 molecules of ATP, 6 molecules of NADPH

• 2 molecules of CO2, 8 molecules of ATP, 5 molecules of NADPH

• 4 molecules of CO2, 10 molecules of ATP, 7 molecules of NADPH

• 5 molecules of CO2, 11 molecules of ATP, 8 molecules of NADPH