Photosynthesis Concepts Quiz

What is the primary pigment involved in photosynthesis?

• Carotene

• Chlorophyll

• Xanthophyll

• Anthocyanin

Where in the plant cell is chlorophyll located?

• Mitochondria

• Nucleus

• Chloroplast

• Ribosome

What is the function of stomata in plants?

• Absorb sunlight

• Exchange gases

• Transport water

• Store nutrients

Which of the following is NOT a part of the light-dependent reactions?

• ATP synthesis

• NADPH formation

• Carbon fixation

• Oxygen production

What molecule is produced as a byproduct of the light-dependent reactions?

• Carbon dioxide

• Oxygen

• Glucose

• Water

Where do the light-dependent reactions take place?

• Stroma

• Thylakoid membrane

• Cytoplasm

• Mitochondria

What is the main purpose of the Calvin cycle?

• Produce ATP

• Produce NADPH

• Fix carbon dioxide into organic molecules

• Split water molecules

Which enzyme is crucial for carbon fixation in the Calvin cycle?

• ATP synthase

• Rubisco

• NADP+ reductase

• Cytochrome c

What is the first stable product of carbon fixation in the Calvin cycle?

• Glucose

• 3-phosphoglycerate (3-PGA)

• Ribulose-1,5-bisphosphate (RuBP)

• Glyceraldehyde-3-phosphate (G3P)

Which photosystem is involved in the initial step of the light-dependent reactions?

• Photosystem I

• Photosystem II

• Photosystem III

• Photosystem IV