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Algae Video Lecture | Science & Technology for UPSC CSE
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FAQs on Algae Video Lecture - Science & Technology for UPSC CSE
| 1. What are algae? |  |
Ans. Algae are a diverse group of photosynthetic organisms that can be found in various aquatic environments, including freshwater and marine habitats. They range from microscopic single-celled organisms to large, multicellular seaweeds.
| 2. How do algae obtain their energy? | |
Ans. Algae obtain their energy through photosynthesis, a process in which they convert sunlight, carbon dioxide, and water into glucose and oxygen. They contain chloroplasts, which contain pigments that capture sunlight and initiate the photosynthetic process.
| 3. Are all algae harmful? | |
Ans. No, not all algae are harmful. While some types of algae can produce toxins and cause harmful algal blooms, the majority of algae species are harmless and play important roles in aquatic ecosystems. They serve as a primary food source for many organisms and contribute to oxygen production.
| 4. Can algae be used as a source of renewable energy? | |
Ans. Yes, algae can be utilized as a source of renewable energy. Certain types of algae have high oil content, which can be extracted and processed into biofuels, such as biodiesel. Algae-based biofuels have the potential to reduce greenhouse gas emissions and provide an alternative to fossil fuels.
| 5. How are algae being used in various industries? | |
Ans. Algae have a wide range of applications in various industries. They are used in the production of food and beverages, cosmetics, pharmaceuticals, and wastewater treatment. Additionally, algae-based products are being explored in areas such as biofertilizers, bioplastics, and nutraceuticals due to their rich nutritional content and sustainable nature.
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Nov 22, 2024 Last updated |
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