Soil Health MCQs (Quiz 18)

Soil Health MCQs (Quiz 18)
Multiple Choice Questions for Professional Test Preparation

1. What is a potential consequence of disrupting mycorrhizal networks through intensive soil disturbance?

 Immediate increase in long-term soil carbon storage

 Automatic replacement of fungi by bacteria with identical functions

 Instant evolution of plants that no longer need roots

 Reduced plant ability to share nutrients and stress signals

2. Practices such as no-till farming and cover cropping commonly improve __________

 Soil degradation

 Long-term soil fertility and ecosystem stability

 Nutrient leaching

 Erosion rates

3. The term “wood wide web” refers to ______________________

 A satellite system used to monitor forests

 A root disease affecting trees

 An underground network of fungi and microbes connecting plants

 A network of tree branches above ground

4. A major agricultural benefit of biochar is that it helps __________

 Improve soil fertility and moisture retention

 Reduce soil microbial activity

 Destroy organic matter

 Increase soil erosion

5. Which of the following is commonly added to a compost pile?

 Plastic wrappers

 Pesticides

 Fruit and vegetable waste

 Hard wood

6. Which soil organism can form underground networks that help plants share nutrients?

 Earthworms

 Mycorrhizal fungi

 Termites

 Algae

7. Mycorrhizal fungi help improve soil health by ____________

 Increasing nutrient and water absorption

 Preventing root growth

 Reducing soil biodiversity

 Blocking nutrient uptake

8. In container gardening, poor aeration can lead to __________

 Root rot and weak plant growth

 Improved root respiration

 Higher oxygen availability

 Faster seed germination

9. Vermiculite is preferred in seed trays because it helps __________

 Increase soil hardness

 Prevent root formation

 Maintain moisture for germination

 Reduce seed moisture

10. Crops receiving too much nitrogen are often more  __________

 Vulnerable to soil erosion

 Vulnerable to Pests and diseases

 Cold resistance

 Nutrient fixation

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