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What are the biological properties of so...

What are the biological properties of soil? What effects does this have on plants?

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VGS PUBLICATION-BRILLIANT-SOIL POLLUTION -EXERCISE
  1. How is soil formed?

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  2. What are the chemical properties of soil? What effects does this have ...

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  3. What are the biological properties of soil? What effects does this hav...

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  4. Write the effects of insecticide DDT on environment.

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  5. Write the examples of pesticides. What are their effects on soil and h...

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  6. Write briefly about biomagnifications.

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  7. What is the solid waste? What are different types of solid waste?

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  8. What are the different ways and methods possible for soil conservation...

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  9. Soil is made up of

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  10. The time required to create one inch of top soil

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  11. The layer of the soil which is the foundation for the life on the eart...

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  12. Soil consists of nutrients required for plant growth are

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  13. If the pH level of soil is below 7 then the soil is

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  14. The pH value of Alkaline soil is

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  15. Major microbial groups in soil are

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  16. The process of converting organic forms of elements to their inorganic...

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  17. Major part of soil microbial biomass is composed of -

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  18. Waste substances that can be degraded by microbes into harmless and n...

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  19. Excessive potassium content in soil decreases vitamin C and carotene c...

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  20. The first widespread insecticide used is

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