Photosynthesis and Food Production Quiz

What is the predicted human population by 2050?

• Ten billion

• Eight billion

• Eleven billion

• Nine billion

What process do plants use to make their own food?

• Cellular respiration

• Photosynthesis

• Fermentation

• Glycolysis

What is the main pigment involved in photosynthesis?

• Anthocyanin

• Chlorophyll

• Carotene

• Xanthophyll

Where do the light-dependent reactions of photosynthesis take place?

• Mitochondria

• Cytoplasm

• Thylakoid membranes

• Stroma

What is a byproduct of the light-dependent reactions?

• Glucose

• Carbon dioxide

• Oxygen

• Water

What molecule is produced at the end of the Calvin Cycle?

• G3P

• NADPH

• ATP

• RuBP

What is the role of NADPH in photosynthesis?

• It stores energy

• It acts as an electron bank

• It absorbs sunlight

• It releases oxygen

What is the relationship between photosynthesis and cellular respiration?

• They are identical processes

• They are opposite processes

• They occur in the same organelle

• They are unrelated

What is the main purpose of photosynthesis?

• To release water

• To absorb carbon dioxide

• To convert sunlight into chemical energy

• To produce oxygen

What is the function of chloroplasts in plant cells?

• To perform cellular respiration

• To store nutrients

• To conduct photosynthesis

• To break down waste