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Quick Revision: Nutrition in Plants Video Lecture | Science Class 7 (Old NCERT)
FAQs on Quick Revision: Nutrition in Plants Video Lecture - Science Class 7 (Old NCERT)
| 1. What is the process of photosynthesis in plants? |  |
Ans. Photosynthesis is the process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen. This process takes place in the chloroplasts of plant cells.
| 2. How do plants obtain nutrients for their growth and development? | |
Ans. Plants obtain nutrients through their roots from the soil. These nutrients include minerals like nitrogen, phosphorus, and potassium, which are essential for their growth and development.
| 3. Why is chlorophyll important for plants in the process of photosynthesis? | |
Ans. Chlorophyll is a pigment found in the chloroplasts of plant cells that absorbs sunlight. It plays a crucial role in photosynthesis by capturing light energy and converting it into chemical energy that is used to produce glucose.
| 4. What are the different types of nutrients that plants need for their survival? | |
Ans. Plants require macronutrients such as nitrogen, phosphorus, and potassium, as well as micronutrients like iron, magnesium, and zinc for their survival and proper growth.
| 5. How do plants transport water and nutrients from the roots to the rest of the plant? | |
Ans. Plants use a system of tubes called xylem and phloem to transport water and nutrients from the roots to the leaves and other parts of the plant. Xylem carries water and minerals upward, while phloem transports sugars and other nutrients throughout the plant.
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