Respiration in plants:
Correct answer: A. Aerobic respiration
- A. Aerobic respiration
- B. Photosynthesis
- C. Nitrogen fixation
- D. Transpiration
Explanation
The main form of respiration in plants is aerobic respiration. This process breaks down glucose in the presence of oxygen to release energy, carbon dioxide, and water. The energy produced is used for essential functions such as growth, repair, nutrient absorption, and other cellular activities. Other processes like photosynthesis, nitrogen fixation, and transpiration are not forms of respiration because they do not release energy from glucose.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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