Soil Health MCQs (Quiz 20)

Soil Health MCQs (Quiz 20)
Multiple Choice Questions for Professional Test Preparation

1. Which plant process is most strongly supported by phosphorus?

 Water loss through leaves

 Chlorophyll destruction

 Protein breakdown

 Energy transfer and root growth

2. Compost is primarily produced through the breakdown of ___________

 Glass materials

 Plant and animal residues

 Synthetic fertilizers

 Metal scraps

3. Intensive tillage can negatively affect mycorrhizal fungi by __________

 Breaking apart underground hyphal connections

 Increasing nutrient exchange efficiency

 Enhancing fungal network stability

 Eliminating all soil moisture

4. Crops lacking sufficient potassium are generally __________

 More susceptible to environmental stress and lodging

 Prone to accelerated maturation and early senescence

 More resistant to fungal and bacterial diseases

 Better able to tolerate drought conditions

5. Soils with greater microbial diversity are often more resistant to __________

 Natural recovery

 Organic matter formation

 Environmental disturbances and stress

 Water infiltration

6. What happens if too much vermiculite is added to soil?

 Soil turns into clay

 Soil may retain excessive moisture

 Plants stop photosynthesis

 Soil becomes completely sterile

7. Soil lacking sufficient organic matter often experiences reduced __________

 Water evaporation

 Mineral content

 Microbial diversity and soil health

 Sand percentage

8. The relationship between tree roots and mycorrhizal fungi is best described as ________________________

 Symbiotic

 Competitive

 Parasitic

 Predatory

9. Poor irrigation management can reduce soil fertility mainly because it __________

 Enhances soil aggregation and porosity

 Removes essential nutrients from the root zone via leaching or runoff

 Stops all nutrient movement in the soil

 Increases natural nutrient recycling

10. Fungal hyphae improve soil structure mainly by __________

 Reducing water infiltration

 Binding soil particles into stable aggregates

 Increasing soil compaction

 Preventing root growth

 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]