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Photosynthesis Video Lecture | Science for Grade 6
FAQs on Photosynthesis Video Lecture - Science for Grade 6
| 1. What is photosynthesis? |  |
Ans. Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy, specifically glucose. It is the primary source of energy for all living organisms on Earth.
| 2. What are the main components involved in photosynthesis? | |
Ans. The main components involved in photosynthesis are chloroplasts, chlorophyll, sunlight, water, and carbon dioxide. Chloroplasts are the organelles where photosynthesis takes place, while chlorophyll is the pigment that captures sunlight. Water and carbon dioxide are the raw materials required for the process.
| 3. How does photosynthesis contribute to the oxygen levels in the atmosphere? | |
Ans. During photosynthesis, plants release oxygen as a byproduct. This oxygen is then released into the atmosphere, contributing to the oxygen levels. Approximately 70% of the Earth's oxygen is produced through photosynthesis.
| 4. Can photosynthesis occur in the absence of sunlight? | |
Ans. No, photosynthesis cannot occur in the absence of sunlight. Sunlight is the primary source of energy for the process. Without sunlight, plants are unable to capture light energy and convert it into chemical energy through photosynthesis.
| 5. How does photosynthesis impact the carbon cycle? | |
Ans. Photosynthesis plays a vital role in the carbon cycle. It removes carbon dioxide from the atmosphere and converts it into glucose, which is then used as an energy source by plants. This helps to regulate the levels of carbon dioxide in the atmosphere, reducing the greenhouse effect and mitigating climate change. Additionally, the carbon stored in plants through photosynthesis is transferred to other organisms when they consume plants, creating a carbon flow within the ecosystem.
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Video Description: Photosynthesis for Grade 6 2025 is part of Science for Grade 6 preparation.
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Video Lecture & Questions for Photosynthesis Video Lecture | Science for Grade 6 - Grade 6 full syllabus preparation | Free video for Grade 6 exam to prepare for Science for Grade 6.
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