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Soil Science MCQs

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

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133 questions in this list. Select an option to practice, or open a question for the full page with explanation.

Soil Science — MCQs for Pakistan government job tests

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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.

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1.Which type of climate is most favorable for optimal crop growth and yield?

2.What term describes extensive regions of the Earth that share similar climate, soil, and communities of plants and animals?

3.What percentage of the Earth's fresh water is contained within lakes, reservoirs, and rivers?

4.What term describes the process of water moving downward through the layers of soil?

5.What is the term for the quantity of water that oven-dried soil at 105°C can absorb when placed in an environment with 100% relative humidity?

6.Which group of plants requires a significantly large quantity of water for their growth?

7.What components are found in both plant and animal residues?

8.From which country is the Journal of Plant and Soil published?

9.What term describes the speed at which water penetrates into the soil?

10.What is the typical value for the particle (true) density of soil?

11.How does the soil's ability to hold onto anions change with soil pH?

12.Which of the following minerals is a source of phosphorus?

13.Which of the following pairs is incorrectly matched?

14.What term describes the complete set of external factors influencing the life of organisms?

15.Typically, which type of land with slopes between 0-2% and 2-5% is recommended for specific uses?

16.Since calcium is immobile within plants, deficiency symptoms first appear in young tissues. Which of the following describes the symptoms of calcium deficiency?

17.Potassium is crucial for the movement of water and nutrients within the plant's xylem. If potassium availability decreases, the transport of which substances is negatively affected?

18.What is the approximate daily amount of solid waste produced in Pakistan?

19.What is the effect on saline-alkaline soil when it is irrigated with water?

20.How are the negative effects of erosion categorized?

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