Class 7 Exam > Class 7 Questions > In addition to the rock particles, the soil c...
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In addition to the rock particles, the soil contains
- a)Water and plant
- b)Wood
- c)Air and water
- d)Minerals, organic matter, air and water
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
In addition to the rock particles, the soil containsa)Water and plantb...
minerals like Iron and aluminium (in the combined state) are present. Organic matter is also present like Bacteria and Plants. Air is present depending on the inter-soil space . Water is present depending on the water -retaining capacity of various soils.
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In addition to the rock particles, the soil containsa)Water and plantb...
Understanding Soil Composition
Soil is a complex mixture essential for plant growth and supporting ecosystems. It consists of various components that contribute to its structure and fertility.
Key Components of Soil:
- Minerals:
These are derived from the weathering of rocks. Minerals provide essential nutrients like nitrogen, phosphorus, and potassium, which are crucial for plant development.
- Organic Matter:
This includes decomposed plant and animal materials. Organic matter enhances soil fertility, improves water retention, and promotes healthy microbial activity.
- Air:
Soil contains air pockets that allow for gas exchange. This is vital for root respiration and the activity of soil organisms. Adequate aeration helps prevent waterlogging and supports a diverse ecosystem.
- Water:
Water in the soil is crucial for plant uptake. It dissolves nutrients, making them available to plants. It also influences soil structure and temperature, affecting biological activity.
Conclusion:
The correct answer, option 'D', encapsulates the essential components of soil: minerals, organic matter, air, and water. Each of these elements plays a significant role in creating a balanced environment for plants and other organisms. Understanding this composition is fundamental in agriculture, ecology, and environmental science, highlighting the intricate relationships within soil ecosystems.
Soil is a complex mixture essential for plant growth and supporting ecosystems. It consists of various components that contribute to its structure and fertility.
Key Components of Soil:
- Minerals:
These are derived from the weathering of rocks. Minerals provide essential nutrients like nitrogen, phosphorus, and potassium, which are crucial for plant development.
- Organic Matter:
This includes decomposed plant and animal materials. Organic matter enhances soil fertility, improves water retention, and promotes healthy microbial activity.
- Air:
Soil contains air pockets that allow for gas exchange. This is vital for root respiration and the activity of soil organisms. Adequate aeration helps prevent waterlogging and supports a diverse ecosystem.
- Water:
Water in the soil is crucial for plant uptake. It dissolves nutrients, making them available to plants. It also influences soil structure and temperature, affecting biological activity.
Conclusion:
The correct answer, option 'D', encapsulates the essential components of soil: minerals, organic matter, air, and water. Each of these elements plays a significant role in creating a balanced environment for plants and other organisms. Understanding this composition is fundamental in agriculture, ecology, and environmental science, highlighting the intricate relationships within soil ecosystems.
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In addition to the rock particles, the soil containsa)Water and plantb...
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In addition to the rock particles, the soil containsa)Water and plantb)Woodc)Air and waterd)Minerals, organic matter, air and waterCorrect answer is option 'D'. Can you explain this answer? for Class 7 2025 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about In addition to the rock particles, the soil containsa)Water and plantb)Woodc)Air and waterd)Minerals, organic matter, air and waterCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In addition to the rock particles, the soil containsa)Water and plantb)Woodc)Air and waterd)Minerals, organic matter, air and waterCorrect answer is option 'D'. Can you explain this answer?.
In addition to the rock particles, the soil containsa)Water and plantb)Woodc)Air and waterd)Minerals, organic matter, air and waterCorrect answer is option 'D'. Can you explain this answer? for Class 7 2025 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about In addition to the rock particles, the soil containsa)Water and plantb)Woodc)Air and waterd)Minerals, organic matter, air and waterCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 7 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In addition to the rock particles, the soil containsa)Water and plantb)Woodc)Air and waterd)Minerals, organic matter, air and waterCorrect answer is option 'D'. Can you explain this answer?.
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