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Mind Map: Photosynthesis | Science Class 7 (Old NCERT) PDF Download

Mind Map: Photosynthesis | Science Class 7 (Old NCERT)

The document Mind Map: Photosynthesis | Science Class 7 (Old NCERT) is a part of the Class 7 Course Science Class 7 (Old NCERT).
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FAQs on Mind Map: Photosynthesis - Science Class 7 (Old NCERT)

1. What is photosynthesis?
Ans. Photosynthesis is the process by which plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy stored in glucose.
2. What are the two main stages of photosynthesis?
Ans. The two main stages of photosynthesis are the light-dependent reactions, which require light to occur, and the light-independent reactions (Calvin cycle), which do not require light.
3. How do plants use the glucose produced during photosynthesis?
Ans. Plants use the glucose produced during photosynthesis as a source of energy for growth, reproduction, and maintenance. Excess glucose can also be stored as starch for later use.
4. What are the key factors that can affect the rate of photosynthesis?
Ans. Key factors that can affect the rate of photosynthesis include light intensity, carbon dioxide concentration, temperature, and water availability.
5. How does photosynthesis contribute to the oxygen levels in the atmosphere?
Ans. Photosynthesis plays a crucial role in producing oxygen as a byproduct when plants and other photosynthetic organisms convert carbon dioxide into glucose. This process helps maintain the balance of oxygen and carbon dioxide in the atmosphere.
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