Science-7
Nutrition in Plants
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Instructions (English)
1. Write clearly on a clean, blank sheet using a dark pen (Blue/Black).
2. Ensure the photo is well-lit and focused.
3. Use the built-in cropper to remove edges and adjust your image before submitting.
निर्देश (Hindi)
1. अपना उत्तर एक साफ़ कागज़ पर गहरे पेन (नीला/काला) से स्पष्ट रूप से लिखें।
2. सुनिश्चित करें कि फोटो अच्छी रोशनी में खींची गई हो।
3. सबमिट करने से पहले अनावश्यक किनारों को हटाने के लिए क्रॉप टूल का उपयोग करें।
What is the difference between autotrophic and heterotrophic nutrition? Give one example of each. (30–40 words)
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Define saprotrophic nutrition. Name two organisms that obtain their food by this mode. (30–40 words)
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What are the four essential conditions required for photosynthesis? explain. (30–40 words)
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Why is Cuscuta called a total parasite? How does it differ from a partial parasite like mistletoe? (30–40 words)
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What is the role of Rhizobium bacteria in replenishing soil nutrients? In which type of plants are they commonly found? (30–40 words)
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Explain the process of photosynthesis. Include the raw materials, the role of chlorophyll, and the products formed. Write the balanced chemical equation. (60–80 words)
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Describe symbiotic nutrition with the help of an example. Why are lichens considered good indicators of air pollution? (60–80 words)
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Why do insectivorous plants like the pitcher plant trap insects despite being green and capable of photosynthesis? Explain their nutritional strategy. (60–80 words)
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