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Soil Science

Free 133+ Soil Science MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

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Soil Science — MCQs for Pakistan government job tests

About this subject

Soil Science Mcqs for Preparation of FPSC, KPPSC, PPSC , SPSC, BPSC, NTS OTS ETEA and other tests. These Mcqs are helpful for Soil Science Students who are preparing for job of Agriculture Research Officer, Research Fellow, Researcher Soil Science, Researcher Soil Fertility and lecturer in Soil Science.

Practice questions

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1.Which of the following are the primary components that make up soil?

2.Minerals in rocks that originally lack water undergo which process when exposed to moisture, leading to their breakdown during chemical weathering?

3.Which of the following soil types are classified as volcanic soils?

4.Which of the following best describes Inceptisols?

5.Which soil order is characterized by minimal or no horizon development, typically found in newly formed soils?

6.Which of the following factors contribute to the continuous degradation of soil quality?

7.Why does organic matter break down quickly in the soils of Pakistan, resulting in less than 1% organic content?

8.What term describes the ability of soil to consistently support the health of plants and animals?

9.Which types of waste are responsible for the rapid contamination of soil?

10.Which type of soil, known as ideal soil, is composed of a balanced blend of sand, silt, and clay?

11.What is the name of the unit used to quantify the acidity or basicity of a substance?

12.Which of the following types of check dams have been implemented in Pakistan?

13.Which tillage and planting approach ensures that at least 30% of the soil surface remains covered with crop residues after planting to help minimize soil erosion caused by water?

14.What term describes the process of ice or snow being removed from a glacier or snowfield through melting, sublimation, or breaking off?

15.What is the size range of inorganic particles, from the smallest clay particles to the largest gravel and rock fragments?

16.Which classification corresponds to organic soils, commonly referred to as peat and muck soils?

17.Which type of soil contains high levels of soluble salts along with exchangeable sodium?

18.What is the term for the agricultural method where rows of densely planted woody plants are managed alongside annual crops grown in the spaces between them?

19.Soil erosion predominantly takes place in which of the following soil types?

20.Where is the headquarters of the International Union of Forest Research Organizations (IUFRO) situated?

How to prepare with Soil Science MCQs

  • Work through questions topic by topic, then revisit any you answered incorrectly.
  • Read explanations carefully—they often cover facts that repeat across PPSC, FPSC, and NTS papers.
  • Pair subject practice with past papers to see how Soil Science appears in real exam conditions.

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