Fundamentals Of Soil Science Quiz 22 (20 MCQs)

Quiz Instructions

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1. Plants get the minerals they need to flourish from:

Correct Answer: D) Soil.

2. This type of soil is best for plant growth.

Correct Answer: C) Loam.

3. Which of the following is the species name for soybeans?

Correct Answer: B) Glyxine max.

4. Which describes the soil layers in order from the surface?

Correct Answer: B) Top soil, subsoil, horizon C, bedrock.

5. What composes the organic matter in soil?

Correct Answer: D) Decomposed remains of once living things.

6. Below the C horizon is

Correct Answer: B) Rock.

7. What exactly is bedrock?

Correct Answer: B) Rock that has not been weathered.

8. Which soil do plants grow best in?

Correct Answer: C) Loam.

9. Soil is made of

Correct Answer: D) All of the above.

10. Which of the following is a quantitative trait?

Correct Answer: B) Seed yield.

11. At the same level of organic matter, evaluate which are the highest water holding capacity?

Correct Answer: B) Clay loam.

12. There are different types of soil look, smell, and feel different. Why soil have different color.

Correct Answer: C) They come from different rocks and different places.

13. Which vegetable is a major food crop in Rhode Island?

Correct Answer: C) Pumpkins.

14. Subsoil is made mostly of

Correct Answer: C) Clay and silt.

15. Soil is a mixture of weathered rock, mineral fragments, water, air and

Correct Answer: B) Decayed organic matter.

16. ..... is the process of rocks breaking down and becoming other rocks.

Correct Answer: C) Rock cycle.

17. The ..... ..... is what we call all three horizons and the bedrock together.

Correct Answer: A) Soil layers.

18. What layer of soil is the best for growing plants?

Correct Answer: B) Topsoil.

19. This generally has the highest cation exchange capacity? (CEC)

Correct Answer: A) Clay.

20. How many farms in Massachusetts produce organic crops?

Correct Answer: A) More than 300.