MULTIPLE CHOICE. Choose the letter of the correct answer.
1. Which of these is the correct equation for photosynthesis?
carton dioxide + water - glucose + oxygen
b. glucose + oxygen carbon dioxide + water
carbon dioxide + glucose → water + oxygen
2. Which gas is released when plant cells respire aerobically?
a. Oxygen
b. Carbon dioxide
c. Nitrogen
3. When does respiration happen in plants?
a. All the time
b. Only during the day
c. Only during the night
4. There is an overall uptake of carbon dioxide and release of oxygen by a plant under certain
conditions. Which statement about such a plant is correct?
a. Respiration is happening faster than photosynthesis
b. Photosynthesis and respiration are happening at the same rate
c. Photosynthesis is happening faster than respiration
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