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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.What term describes shallow channels that can be easily fixed through standard tillage practices?

2.Which type of system is essential for enhancing soil organic carbon storage, lowering net greenhouse gas emissions, and controlling soil erosion?

3.Which term refers to charcoal, a significant part of the total soil carbon content?

4.What is the primary factor responsible for causing desertification?

5.What is likely to be reduced as a result of deforestation?

6.What term is used for extrusive rocks that have crystals or grains too small to be visible without magnification?

7.What term do civil engineers use to refer to the material beneath the surface on which they build?

8.Which form of phosphorus is absorbed by plants in alkaline soil conditions?

9.Which form of phosphorus do plants absorb in acidic soil conditions?

10.Which form(s) of phosphorus can plants absorb from the soil?

11.Why do forest soils typically exhibit a lower bulk density compared to soils used for agriculture?

12.What term describes a soil additive that enhances soil stability, boosts resistance to erosion, increases air and water permeability, improves texture, facilitates cultivation, or generally enhances soil quality?

13.What is the term for materials like straw, sawdust, leaves, plastic sheets, or loose soil that are applied on the soil surface to shield it and plant roots from rain impact, crust formation, freezing, or moisture loss?

14.Which nutrients are required in large amounts for proper growth and development of plants?

15.Which of the following criteria define an element as essential for plants?

16.According to land capability classification, which use is appropriate for classes I to IV?

17.How are metamorphic rocks categorized?

18.Which of the following involves the processes of transportation and cementation of original rocks?

19.What is the term used for igneous rocks?

20.Which gases, along with water vapor, are present in the air found within soil?

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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