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What is Aerobic Respiration? Video Lecture | Science Class 7
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FAQs on What is Aerobic Respiration? Video Lecture - Science Class 7
| 1. What is aerobic respiration? |  |
Ans. Aerobic respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water. It occurs in the presence of oxygen and is the most efficient way for cells to produce energy.
| 2. How does aerobic respiration differ from anaerobic respiration? | |
Ans. Aerobic respiration requires the presence of oxygen, while anaerobic respiration does not. In aerobic respiration, glucose is completely broken down, resulting in the production of a large amount of energy. On the other hand, anaerobic respiration only partially breaks down glucose, producing less energy and substances like lactic acid or alcohol.
| 3. What are the main stages of aerobic respiration? | |
Ans. Aerobic respiration consists of three main stages: glycolysis, the Krebs cycle (also known as the citric acid cycle), and the electron transport chain. During glycolysis, glucose is broken down into two molecules of pyruvate. In the Krebs cycle, pyruvate is further broken down, releasing carbon dioxide and energy-rich molecules. The electron transport chain then uses these energy-rich molecules to produce ATP, the cell's main source of energy.
| 4. What is the importance of aerobic respiration? | |
Ans. Aerobic respiration is essential for living organisms as it provides the energy needed for various cellular activities. It is the primary way in which cells produce ATP, which is required for processes like muscle contraction, cell division, and maintaining basic bodily functions. Without aerobic respiration, organisms would not be able to generate enough energy to survive.
| 5. How does exercise impact aerobic respiration? | |
Ans. Exercise increases the demand for energy in the body, leading to an increased rate of aerobic respiration. As the body requires more oxygen during exercise, the respiratory and circulatory systems work together to deliver oxygen to the cells more efficiently. This allows for a higher rate of ATP production, providing the energy needed for muscle contraction and endurance during physical activity.
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Oct 24, 2024 Last updated |
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