Photosynthesis Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which of the following is the correct word equation for photosynthesis?
- A. glucose + oxygen → carbon dioxide + water
- B. carbon dioxide + water → glucose + oxygen
- C. carbon dioxide + oxygen → glucose + water
- D. glucose + water → carbon dioxide + oxygen
2. Which substance in chloroplasts absorbs light for photosynthesis?
- A. Starch
- B. Cellulose
- C. Chlorophyll
- D. Glucose
3. A greenhouse is warm and brightly lit, but the rate of photosynthesis has levelled off. Which change is most likely to increase the rate?
- A. Adding more carbon dioxide
- B. Adding more light
- C. Making the greenhouse warmer
- D. Watering the floor of the greenhouse
4. Which of the following is NOT a use of the glucose made in photosynthesis?
- A. Making cellulose for cell walls
- B. Making insoluble starch for storage
- C. Making proteins with nitrate ions
- D. Making chlorophyll from carbon dioxide
5. A student moves a lamp closer to a piece of pondweed and counts more bubbles per minute. What is the most sensible conclusion?
- A. Light intensity increased the rate of photosynthesis, so oxygen was released faster
- B. Temperature is the limiting factor
- C. The pondweed is respiring faster than it photosynthesises at all times
- D. Carbon dioxide is no longer needed