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Fun Video: Autotrophic Nutrition Photosynthesis (in detail) Video Lecture - Class 10

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Video Timeline
Video Timeline
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01:16 Water
01:32 Carbon Dioxide
01:43 Sunlight/Photons
01:57 Chloroplasts
02:42 Light Reaction/Light-Dependent
03:33 Photosystem II
05:54 Cytochrome Complex
06:16 ATP Synthase
07:06 Photosystem I
07:55 Dark Reactions/Light-Independent
08:50 Phase 1 - Carbon Fixation
11:31 Phase 2 - Reduction
12:02 Phase 3 - Regeneration
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FAQs on Fun Video: Autotrophic Nutrition Photosynthesis (in detail) Video Lecture - Class 10

1. What is autotrophic nutrition?
Autotrophic nutrition refers to the process by which organisms, such as plants, produce their own food using inorganic substances like carbon dioxide and water, in the presence of sunlight. This process is also known as photosynthesis.
2. What is the role of chlorophyll in photosynthesis?
Chlorophyll is a green pigment found in chloroplasts of plant cells. It plays a crucial role in photosynthesis by absorbing light energy from the sun. This energy is then used to convert carbon dioxide and water into glucose and oxygen.
3. How does photosynthesis contribute to the oxygen supply on Earth?
During photosynthesis, plants release oxygen as a byproduct. This oxygen is then released into the atmosphere, contributing to the oxygen supply on Earth. It is estimated that approximately 70% of the Earth's oxygen is produced through photosynthesis.
4. What factors affect the rate of photosynthesis?
Several factors can influence the rate of photosynthesis, including light intensity, temperature, carbon dioxide concentration, and the availability of water and nutrients. These factors can either enhance or limit the efficiency of photosynthesis in plants.
5. Can photosynthesis occur in all plants?
Yes, photosynthesis can occur in all green plants, as they possess chlorophyll and other necessary pigments to capture light energy. However, some plants, such as certain desert plants or underwater plants, have adapted to different environmental conditions and may have modified photosynthetic processes.
Video Timeline
Video Timeline
arrow
01:16 Water
01:32 Carbon Dioxide
01:43 Sunlight/Photons
01:57 Chloroplasts
02:42 Light Reaction/Light-Dependent
03:33 Photosystem II
05:54 Cytochrome Complex
06:16 ATP Synthase
07:06 Photosystem I
07:55 Dark Reactions/Light-Independent
08:50 Phase 1 - Carbon Fixation
11:31 Phase 2 - Reduction
12:02 Phase 3 - Regeneration
More
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