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Soil Practice Questions

Class 7 · Science · 1131 free MCQs with instant results and detailed explanations.

1131
Total
348
Easy
572
Medium
211
Hard

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Topics in Soil

Soil Profile 395
Soil Erosion 387
Types of Soil 349

Sample Questions from Soil

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
What is the uppermost layer of soil called?
A. Topsoil
B. Subsoil
C. Bedrock
D. Clay
Show Answer & Explanation
Correct Answer: A
Topsoil is the topmost layer of soil, rich in organic material and nutrients.
Q2
Easy
Which layer of soil is often rich in minerals but low in organic matter?
A. Topsoil
B. Subsoil
C. Horizon O
D. Horizon A
Show Answer & Explanation
Correct Answer: B
Subsoil is located beneath the topsoil and contains minerals but less organic matter.
Q3
Easy
In which layer of soil would you typically find earthworms?
A. Topsoil
B. Subsoil
C. Bedrock
D. Clay
Show Answer & Explanation
Correct Answer: A
Earthworms live in the topsoil layer, which is rich in organic matter and nutrients.
Q4
Medium
What is the uppermost layer of the soil profile called?
A. Topsoil
B. Subsoil
C. Bedrock
D. Parent Rock
Show Answer & Explanation
Correct Answer: A
Topsoil is the uppermost layer and is crucial for plant growth due to its high organic matter content.
Q5
Medium
In which layer of the soil do most plant roots grow?
A. Topsoil
B. Subsoil
C. Bedrock
D. Clay
Show Answer & Explanation
Correct Answer: A
Most plant roots grow in the topsoil where nutrients and moisture are abundant.
Q6
Medium
What is the process called where soil loses nutrients due to rainwater?
A. Erosion
B. Leaching
C. Compaction
D. Sedimentation
Show Answer & Explanation
Correct Answer: B
Leaching is the process of nutrients being washed away from the soil profile by rainwater.
Q7
Medium
Which type of soil has the best drainage properties?
A. Clay
B. Sandy
C. Loamy
D. Silty
Show Answer & Explanation
Correct Answer: B
Sandy soil has larger particles, which allow water to drain quickly, making it well-drained.
Q8
Hard
What is the correct order of soil layers from top to bottom in a typical soil profile?
A. Topsoil, Subsoil, Parent Rock, Bedrock
B. Bedrock, Parent Rock, Subsoil, Topsoil
C. Subsoil, Topsoil, Bedrock, Parent Rock
D. Topsoil, Bedrock, Subsoil, Parent Rock
Show Answer & Explanation
Correct Answer: A
The correct order is topsoil at the surface, followed by subsoil, parent rock, and then bedrock at the bottom.
Q9
Hard
Which soil layer is most crucial for plant growth due to its organic content?
A. Bedrock
B. Subsoil
C. Topsoil
D. Parent Rock
Show Answer & Explanation
Correct Answer: C
Topsoil is rich in organic materials and nutrients, making it essential for plant growth.
Q10
Hard
In a soil profile, which layer typically contains larger particles and has lower water retention compared to others?
A. Clay
B. Sandy Soil
C. Loam
D. Silty Soil
Show Answer & Explanation
Correct Answer: B
Sandy soil has larger particles and drains quickly, retaining less water than clay or loamy soils.

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Soil — Class 7 Science Practice Questions Online

This page contains 1131 practice MCQs for the chapter Soil in Class 7 Science. The questions are organized by difficulty — 348 easy, 572 medium, 211 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 3 topics, giving you comprehensive coverage of the entire chapter.