Which of the following is used by green plants for the manufacture of food?
Correct answer: D. All of these
- A. Carbon dioxide
- B. Water
- C. Sunlight
- D. All of these
Explanation
The correct answer is Option: All of these. Photosynthesis in green plants requires carbon dioxide, water, and sunlight. Carbon dioxide is taken from the air, water is absorbed through the roots, and sunlight provides the energy needed for the process. Together, these components allow plants to produce glucose, a form of food, and oxygen as a byproduct. Options A, B, and C individually represent essential components, but none alone can complete the process of photosynthesis.
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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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