Soil Health MCQs (Quiz 18)

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

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

 Mycorrhizal fungi

 Earthworms

 Termites

 Algae

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

 Reduce seed moisture

 Maintain moisture for germination

 Prevent root formation

 Increase soil hardness

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

 Hard wood

 Pesticides

 Plastic wrappers

 Fruit and vegetable waste

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

 Higher oxygen availability

 Improved root respiration

 Faster seed germination

 Root rot and weak plant growth

5. Mycorrhizal fungi help improve soil health by ____________

 Blocking nutrient uptake

 Reducing soil biodiversity

 Preventing root growth

 Increasing nutrient and water absorption

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

 A root disease affecting trees

 A network of tree branches above ground

 An underground network of fungi and microbes connecting plants

 A satellite system used to monitor forests

7. Crops receiving too much nitrogen are often more  __________

 Cold resistance

 Nutrient fixation

 Vulnerable to soil erosion

 Vulnerable to Pests and diseases

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

 Reduced plant ability to share nutrients and stress signals

 Automatic replacement of fungi by bacteria with identical functions

 Instant evolution of plants that no longer need roots

 Immediate increase in long-term soil carbon storage

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

 Reduce soil microbial activity

 Improve soil fertility and moisture retention

 Destroy organic matter

 Increase soil erosion

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

 Erosion rates

 Soil degradation

 Long-term soil fertility and ecosystem stability

 Nutrient leaching

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