UPSC Exam > UPSC Questions > In the soil pH 10, the soil isa) Alkalib) Sa...
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In the soil pH 10, the soil is
- a)Alkali
- b)Saline
- c)Acidic
- d)Neutral
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCo...
- Alkali, or alkaline, soils are clay soils with high pH (> 8.5), a poor soil structure and a low infiltration capacity. Often they have a hard calcareous layer at 0.5 to 1-metre depth.
- Alkali soils owe their unfavourable physicochemical properties mainly to the dominating presence of sodium carbonate which causes the soil to swell and difficult to clarify/settle.
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In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCo...
Soil pH and its meaning
Soil pH is the measure of acidity or alkalinity of the soil. The pH scale ranges from 0 to 14, where a pH of 7 is considered neutral, pH less than 7 is acidic and pH greater than 7 is alkaline.
Explanation of the answer
In the given question, the soil pH is 10. This means that the soil is alkaline, as the pH value is greater than 7.
In an alkaline soil, the pH is high, and the soil is dominated by basic cations such as calcium, magnesium, and sodium. These cations can replace the acidic cations such as hydrogen and aluminum, resulting in a soil with a high pH.
Effects of alkaline soil
Alkaline soil can have various effects on plants, such as:
- Reduced nutrient availability: In alkaline soil, some essential nutrients such as iron, manganese, and zinc become less available to plants, leading to nutrient deficiencies.
- Reduced microbial activity: Alkaline soil can reduce the activity of beneficial soil microorganisms, affecting the overall soil health.
- Toxicity: Some plants are sensitive to alkaline soil and can be damaged by high pH levels.
Conclusion
In conclusion, the given soil with a pH of 10 is alkaline, which can have various effects on plant growth and soil health. It is important to understand the soil pH and its implications when growing plants in different soils.
Soil pH is the measure of acidity or alkalinity of the soil. The pH scale ranges from 0 to 14, where a pH of 7 is considered neutral, pH less than 7 is acidic and pH greater than 7 is alkaline.
Explanation of the answer
In the given question, the soil pH is 10. This means that the soil is alkaline, as the pH value is greater than 7.
In an alkaline soil, the pH is high, and the soil is dominated by basic cations such as calcium, magnesium, and sodium. These cations can replace the acidic cations such as hydrogen and aluminum, resulting in a soil with a high pH.
Effects of alkaline soil
Alkaline soil can have various effects on plants, such as:
- Reduced nutrient availability: In alkaline soil, some essential nutrients such as iron, manganese, and zinc become less available to plants, leading to nutrient deficiencies.
- Reduced microbial activity: Alkaline soil can reduce the activity of beneficial soil microorganisms, affecting the overall soil health.
- Toxicity: Some plants are sensitive to alkaline soil and can be damaged by high pH levels.
Conclusion
In conclusion, the given soil with a pH of 10 is alkaline, which can have various effects on plant growth and soil health. It is important to understand the soil pH and its implications when growing plants in different soils.
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In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCorrect answer is option 'A'. Can you explain this answer?
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In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCorrect answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCorrect answer is option 'A'. Can you explain this answer?.
In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCorrect answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the soil pH 10, the soil isa) Alkalib) Salinec) Acidicd) NeutralCorrect answer is option 'A'. Can you explain this answer?.
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