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Gaseous Exchange in Plants, Aerobic & Anaerobic Respiration Video Lecture | Biology Class 11 - NEET

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FAQs on Gaseous Exchange in Plants, Aerobic & Anaerobic Respiration Video Lecture - Biology Class 11 - NEET

1. What is gaseous exchange in plants?
Ans. Gaseous exchange in plants is the process by which plants take in carbon dioxide (CO2) from the atmosphere and release oxygen (O2) through tiny openings called stomata in their leaves. This exchange of gases is crucial for photosynthesis, the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen.
2. How does gaseous exchange occur in plants?
Ans. Gaseous exchange in plants occurs through the stomata, which are small openings found on the surface of leaves. During photosynthesis, carbon dioxide enters the plant through the stomata and oxygen is released back into the atmosphere. The exchange of gases is facilitated by diffusion, with carbon dioxide moving from an area of high concentration outside the leaf to an area of lower concentration inside the leaf, and oxygen moving in the opposite direction.
3. What is aerobic respiration in plants?
Ans. Aerobic respiration in plants is the process by which plants convert glucose and oxygen into carbon dioxide, water, and energy in the form of ATP (adenosine triphosphate). It is the primary method by which plants release energy obtained from glucose. Aerobic respiration takes place in the mitochondria of plant cells and requires the presence of oxygen.
4. What is anaerobic respiration in plants?
Ans. Anaerobic respiration in plants is a process that occurs when there is a lack of oxygen available for aerobic respiration. In such conditions, plants can undergo anaerobic respiration, also known as fermentation. During anaerobic respiration, glucose is partially broken down without the use of oxygen, resulting in the production of energy and byproducts such as ethanol or lactic acid, depending on the plant species.
5. How are gaseous exchange and respiration related in plants?
Ans. Gaseous exchange and respiration are closely related processes in plants. Gaseous exchange allows plants to take in the necessary carbon dioxide for respiration while releasing oxygen as a byproduct. Respiration, on the other hand, is the process through which plants break down glucose to release energy for various cellular activities. Both processes are essential for the survival and growth of plants.
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