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NCERT Solution - Chapter 1: Nutrition in Plants, Class 7, Science
Plants are autotrophic organisms that can produce their food through the process of photosynthesis. Let's understand the various aspects of nutrition in plants in detail.


Types of Nutrition in Plants
- Autotrophic Nutrition: Plants prepare their food using sunlight, carbon dioxide, and water.
- Heterotrophic Nutrition: Some plants like insectivorous plants obtain nutrients by trapping and digesting insects.

Process of Photosynthesis
- Chlorophyll: It is a green pigment present in the chloroplasts of plants that helps in absorbing sunlight.
- Light Reaction: It takes place in the presence of light and involves the conversion of light energy into chemical energy.
- Dark Reaction: Also known as the Calvin cycle, it occurs in the absence of light and involves the conversion of carbon dioxide into glucose.

Role of Minerals in Plant Nutrition
- Macronutrients: Plants require nutrients like nitrogen, phosphorus, and potassium in large quantities for their growth.
- Micronutrients: Elements like iron, zinc, and copper are essential for plant growth, although needed in small amounts.

Methods of Nutrient Absorption
- Root Absorption: Plants absorb water and minerals through their roots from the soil.
- Leaf Absorption: Some plants like aquatic plants absorb nutrients directly from water through their leaves.
In conclusion, understanding the process of nutrition in plants is crucial for comprehending their growth and development. By following the principles of photosynthesis and nutrient absorption, plants can thrive and contribute to the ecosystem.
Community Answer
Needed a Document for fill in the blanks? Related: NCERT Solution - ...
1 hetertrophs
2 starch
3 chlorophyll
4 co2 fuel , oxgen
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Needed a Document for fill in the blanks? Related: NCERT Solution - Chapter 1: Nutrition in Plants, Class 7, Science
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