Land Degradation and Conservation Methods

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Questions and Answers

What is one of the consequences of continuous use of land without conservation measures?

  • Rapid plant growth
  • Land degradation (correct)
  • Improved soil fertility
  • Increase in agricultural productivity

Which method can help check land degradation in arid areas according to the text?

  • Promoting mining activities
  • Increasing overgrazing activities
  • Planting shelter belts of plants (correct)
  • Discharging untreated industrial wastes

What percentage of basic needs for food, shelter, and clothing are obtained from land?

  • 70%
  • 50%
  • 30%
  • 95% (correct)

Which human activity has NOT contributed significantly to land degradation according to the text?

<p>Proper soil management (B)</p> Signup and view all the answers

What is the main reason for land degradation in states like Jharkhand and Chhattisgarh?

<p>Deforestation due to mining (A)</p> Signup and view all the answers

How does over irrigation contribute to land degradation in Punjab, Haryana, and western Uttar Pradesh?

<p>Increases salinity and alkalinity in the soil (A)</p> Signup and view all the answers

What impact does grinding of limestone for the cement industry have on the environment?

<p>Generates huge quantity of dust in the atmosphere (A)</p> Signup and view all the answers

What is the main reason for the depletion of resources according to the text?

<p>Accumulation of resources in few hands (B)</p> Signup and view all the answers

What are some consequences of indiscriminate exploitation of resources as mentioned in the text?

<p>Global ecological crises like global warming (C)</p> Signup and view all the answers

Why is soil considered the most important renewable natural resource?

<p>It supports different types of living organisms (C)</p> Signup and view all the answers

Why is equitable distribution of resources considered essential according to the text?

<p>For a sustained quality of life and global peace (C)</p> Signup and view all the answers

How does the text suggest we can ensure a sustainable existence of all forms of life?

<p>By planning resources sustainably (B)</p> Signup and view all the answers

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