1) What is the main pigment involved in photosynthesis? a) Carotene b) Chlorophyll c) Xanthophyll d) Anthocyanin 2) Where in the plant cell does photosynthesis take place? a) Mitochondria b) Chloroplasts c) Nucleus d) Ribosomes 3) What are the main reactants of photosynthesis? a) Water and carbon dioxide b) Light and chlorophyll c) Oxygen and glucose d) Glucose and oxygen 4) Which of the following is a product of photosynthesis? a) Water b) Carbon dioxide c) Oxygen d) Both A and C 5) What is the overall chemical equation for photosynthesis? a) 6 CO₂ + 6 H₂O + light → C₆H₁₂O₆ + 6 O₂ b) C₆H₁₂O₆ + 6 O₂ + light → 6 CO₂ + 6 H₂O c) 6 O₂ + 6 H₂O + light → C₆H₁₂O₆ + 6 CO₂ d) 6 H₂O + light → C₆H₁₂O₆ + 6 O₂ 6) What part of the chloroplast contains the chlorophyll? a) Stroma b) Granum c) Outer membrane d) Thylakoids 7) What is the main sugar produced during photosynthesis? a) Fructose b) Sucrose c) Glucose d) Galactose 8) Which gas is absorbed by plants during photosynthesis? a) Oxygen b) Nitrogen c) Carbon dioxide d) Methane 9) Which of the following statements about photosynthesis is true? a) It occurs only at night. b) It requires oxygen. c) It occurs in plants, algae, and some bacteria. d) It produces carbon dioxide. 10) What is the name of the fluid-filled space inside the chloroplast? a) Thylakoid b) Cytoplasm c) Stroma d) Granum 11) What type of energy transformation occurs during photosynthesis? a) Chemical energy to mechanical energy b) Light energy to chemical energy c) Electrical energy to thermal energy d) Mechanical energy to kinetic energy 12) Where should plants be kept to allow photosynthesis to occur? a) A dry place b) A damp place c) A sunny place d) A dark place 13) Where does water enter the plant? a) Roots b) Leaves c) Stems d) Flower

Photosynthesis quiz

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