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Soil

Soil

10 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which layer of Earth`s crust is known as soil?

  1. Deepest layer
  2. Upper layer
  3. Mid layer
  4. None of these
Question 2 Multiple Choice (Single Answer)

Which of the following soils has/have the richest humus content?

  1. Sandy soil
  2. Clayey soil
  3. Loamy soil
  4. Both sandy soil and clayey soil
Question 3 Multiple Choice (Single Answer)

Which of the following soils is most favourable for plant growth?

  1. Sandy
  2. Clay
  3. Loamy soil
  4. Gravel
Question 4 Multiple Choice (Single Answer)

What is the disadvantage of the sandy soil?

  1. It cannot hold much water.
  2. It provides air to the growing plant species.
  3. It can be plunged very easily.
  4. Its fertility can be increased.
Question 5 Multiple Choice (Single Answer)

Which horizon of soil is called bed rock?

  1. C – horizon
  2. A – horizon
  3. B – horizon
  4. D – horizon
Question 6 Multiple Choice (Single Answer)

Which of the following is a biotic component that affects the fertility of soil?

  1. pH
  2. Air content
  3. Fertilisers
  4. Plant
Question 7 Multiple Choice (Single Answer)

Which of the following is the most fertile layer of soil?

  1. Topsoil
  2. Subsoil
  3. Bedrock
  4. Parent rock
Question 8 Multiple Choice (Single Answer)

The downward movement of water through soil due to gravitational force is called

  1. absorption
  2. percolation
  3. moisture
  4. osmosis
Question 9 Multiple Choice (Single Answer)

What should be the nature of soil?

  1. Acidic
  2. Basic
  3. Neutral
  4. Depends on the nature of vegetation
Question 10 Multiple Choice (Single Answer)

Which of the following correctly defines the term soil erosion?

  1. Absorption of large amount of water by soil
  2. Removal of top layer of soil
  3. Adding fertilisers to the soil
  4. Infertility of soil
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