Photosynthesis Quiz LE 2025

4. Which can be said about blue light vs. yellow light?

• A Blue light has a short wavelength and is effective for plant absorption
• B Yellow light is just about the best color of light for plant absorption
• C Yellow light has the shortest wavelength but it cannot be absorbed effectively
• D Blue light has a longer wavelength which provides more energy than yellow light

11. Where does the "cycle" part of Calvin Cycle come from?

• A Melvin Calvin loved to ride his bicycle
• B The cycle happens from regeneration of RuBP from five PGAL molecules
• C It comes from the carbon dioxide that is allowed into the plant from the atmosphere
• D It comes directly from the production process of glucose

14. The picture shows a structure that

• A regulates the flow of carbon dioxide and oxygen in and out of the plant
• B protects the plant from disease
• C releases wax
• D is found in underground roots to help absorb water

3. Which specific sugar is produced by photosynthesis?

• A Sucrose
• B Glucose
• C Galactose
• D Maltose

15. Five of the same species of green plants are exposed to red, green, blue, yellow and violet light. Which of the following is true?

• A The plant under green light would absorb green light
• B The plant under blue light would photosynthesize well
• C Yellow and green are the best colors for plant growth.
• D Red light is not good because it has the same wavelength as green light

12. Which plant organs are most responsible for photosynthesis?

• A Roots
• B Stems
• C Flowers
• D Leaves

8. What is the main organelle associated with photosynthesis?

• A Chloroplast
• B Mitochondrion
• C Endoplasmic reticulum
• D Ribosomes

7. What is the name of a SINGLE membranous, disc-like structure in a chloroplast that contains chlorophyll?

• A Granum
• B Stroma
• C Thylakoid
• D Leukoplast

2. What are the raw materials ("ingredients") plants would use to make sugar for themselves?

• A Carbon dioxide and oxygen
• B Carbon dioxide and sunlight
• C Water and carbon dioxide
• D Sunlight and oxygen

9. What does sunlight do in photosynthesis?

• A It splits water
• B It causes photolysis to occur
• C It brings about the release of oxygen from plants
• D All of the above answers are correct