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Factors affecting Photosynthesis Video Lecture | Science for ACT

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FAQs on Factors affecting Photosynthesis Video Lecture - Science for ACT

1. What is photosynthesis?
Ans. Photosynthesis is the process by which green plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose (chemical energy) and release oxygen as a byproduct.
2. How does temperature affect photosynthesis?
Ans. Temperature has a significant impact on photosynthesis. It influences the rate of chemical reactions involved in photosynthesis. Generally, photosynthesis increases with temperature until it reaches an optimum level. However, extremely high temperatures can denature enzymes and hinder the process.
3. What role does light intensity play in photosynthesis?
Ans. Light intensity directly affects the rate of photosynthesis. Higher light intensity typically leads to increased photosynthetic activity as more energy is available for the process. However, beyond a certain point, the rate of photosynthesis plateaus due to other limiting factors.
4. How does the availability of carbon dioxide affect photosynthesis?
Ans. Carbon dioxide is one of the essential raw materials for photosynthesis. Adequate carbon dioxide levels are necessary for optimal photosynthetic activity. Insufficient carbon dioxide can limit the rate of photosynthesis, while increased levels can enhance it, up to a certain point.
5. What is the role of water in photosynthesis?
Ans. Water is a crucial component for photosynthesis. It serves as a source of hydrogen atoms, which are used to convert carbon dioxide into glucose. Water also helps in maintaining the turgidity of plant cells and facilitates the transportation of nutrients and sugars within the plant.
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