AP Bio: Photosynthesis

Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin Cycle?

• CO₂ and glucose
• ATP and NADPH
• ADP, P and NADP+
• H₂Oand O₂

Where does the Calvin cycle take place?

• Stroma
• thylakoid
• thylakoid space
• matrix

When oxygen is released as a result of photosynthesis, it is a direct by-product of____

• reducing NADP+
• splitting water molecules
• chemiosmosis
• electron transfer in photosystem 1

A plant has reddish leaves.  What wavelengths of visible light are being absorbed by this pigment

• red, yellow
• blue, violet
• green, yellow
• blue, green, yellow

Tags

NGSS.HS-LS1-5

What is the main role of the pigment molecules in a light-harvesting complex in the thylakoid membranes?

• split water and release oxygen to te reaction-center chloropyll
• transfer light energy to the reaction-center chlorophyll
• synthesize ATP
• transfer electrons to NADPH

Tags

NGSS.HS-LS1-5

Which of the following processes could still occur in a chloroplast in the presence of an inhibitor that prevents H+ from passing through ATP synthasecomplexes?

• photophosphorylation
• Calvin cycle
• oxidation of NADPH
• generation of proton-motive force

T or F: Autotrophs, but not heterotrophs, can nourish themselves beginning with carbon dioxide and other nutrients that are entirely organic

• True
• False

Tags

NGSS.HS-LS2-5

T or F: Chemiosmosis is unique to noncyclic photophophorylation.

• True
• False

Which of the following processes is most directly driven by light energy?

• carbon fixation in stroma
• reduction of NADP molecules
• ATP Synthesis
• removal of electrons from membrane-bound chlorophyll molecules

Tags

NGSS.HS-LS1-5

In what respect are the photosynthetic adaptations of C₄ plants and CAM plants similar?

• an enzyme other than Rubisco carries out the first step in carbon fixation 
• both types of plants make most of their sugar in the dark
• both types of plants make their sugar without the Calvin cycle
• Stomata normally close during the day