Soil Health MCQs (Quiz 2)

Soil Health MCQs (Quiz 2)
Multiple Choice Questions for Professional Test Preparation

1. Which greenhouse gas is primarily removed from the atmosphere and stored in healthy soils through the buildup of organic matter?

 Carbon dioxide (CO₂)

 Nitrous oxide (N₂O)

 Methane (CH₄)

 Sulfur hexafluoride (SF₆)

2. Famous 19th-century naturalist _________________ highlighted the ecological role of earthworms in soil formation and fertility, indirectly contributing to the concept of soil health

 Alfred Russel Wallace

 Louis Pasteur

 Gregor Mendel

 Charles Darwin

3. Which farming practice helps improve soil biodiversity?

 Cover cropping

 Excessive tillage

 Continuous monoculture

 Burning crop residues

4. Which soil property is most closely related to water infiltration?

 Soil color

 Soil pH

 Soil aggregation

 Crop height

5. A farmer wants to check soil compaction of his agricultural land. Which is the quickest physical method to use right in the field?

 Counting earthworms in a shovel-full of soil

 Pushing a metal rod or penetrometer into the soil to assess resistance

 Measuring how warm the soil feels to the touch

 Sending soil to a lab for nutrient testing

6. How does soil organic matter most strongly contribute to soil health?

 It improves structure, water retention, and nutrient cycling

 It eliminates the need for soil organisms

 It directly supplies all nutrients in sufficient quantities

 It increases soil color uniformity

7. A farmer observes standing water on a field two hours after a moderate rainfall. Which soil condition is the most likely primary cause?

 Active earthworm populations

 High sand content

 High soil aggregation

 Surface crusting or compaction

8. Regenerative agriculture mainly focuses on __________

 Increasing pesticide use

 Soil restoration and ecosystem improvement

 Monocropping systems

 Maximizing irrigation

9. Among the soil management practices _____________ is the most effective for conserving soil organic matter

 Continuous monoculture

 Residue burning

 Deep plowing

 Minimum tillage

10. Which management practice most consistently improves soil structure and long-term soil health?

 Maintaining continuous plant cover and residues

 Frequent deep tillage to break up clods

 Regular burning of crop residues

 Over-irrigation to keep soil saturated

 Loading …

Question 1 of 10

[Explore all MCQs]
[Soil Science MCQs] [Soil Physical Properties MCQs] [Soil Chemical Properties MCQs [Crop and Environment MCQs][Fundamentals of Plant Nutrition MCQs]
[Botany MCQs ] [Plant Physiology MCQs][Environmental Science MCQs]