Photosynthesis Quiz: questions and answers
Free online printable quiz with multiple-choice questions (MCQ) without registration.
Photosynthesis is an important process in nature when plants absorb carbon dioxide and transform it into the oxygen with the help of sunlight.
Photosynthesis quiz consists of some general knowledge questions with answers about the topic.
Right answers
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1. Which organisms perform photosynthesis?
Photoautotrophs
2. How do plants get water and minerals?
From the soil
3. What gives the plants a green color?
Chlorophyll
4. What the first photosynthetic organisms were using instead of water?
Hydrogen
5. What is the average rate of energy captured by photosynthesis?
130 TW
6. How many thousand million tonnes of carbon is converted into biomass by photosynthetic organisms?
110-115
7. How many moles of CO2 are required to produce one mole of sugar?
6
8. How many moles of H2O are required to produce one mole of sugar?
6
9. What do plants produce during photosynthesis?
Oxygen
10. Which type of reaction is carbon fixation?
Endothermic redox