Soil Types and Properties MCQs
Soil Types and Properties – MCQs
Class: 7 | Subject: Science
Section: Soil
Topic: Soil Types and Properties
Based on: CBSE Board Examination Pattern
Section: Soil
Topic: Soil Types and Properties
Based on: CBSE Board Examination Pattern
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 7 Science examinations. Each question includes detailed explanations for better concept clarity and exam preparation.
1. The three main types of soil are:
Answer: A
Based on particle size and properties, soils are classified as sandy, clayey, and loamy.
Based on particle size and properties, soils are classified as sandy, clayey, and loamy.
2. Sandy soil has:
Answer: B
Large particles create large pores allowing quick drainage.
Large particles create large pores allowing quick drainage.
3. Clayey soil retains:
Answer: C
Fine clay particles hold water tightly.
Fine clay particles hold water tightly.
4. Loamy soil is best for plants because it has:
Answer: C
It balances drainage, aeration, and nutrients.
It balances drainage, aeration, and nutrients.
5. Water holding capacity is lowest in:
Answer: C
Large pores cause quick water loss.
Large pores cause quick water loss.
6. Percolation rate is fastest in:
Answer: B
Water passes quickly through sandy soil.
Water passes quickly through sandy soil.
7. Soil rich in humus is usually:
Answer: A
Humus adds nutrients and improves fertility.
Humus adds nutrients and improves fertility.
8. Soil aeration means presence of:
Answer: B
Air spaces help roots respire.
Air spaces help roots respire.
9. Sticky soil when wet is:
Answer: B
Clay becomes sticky due to fine particles.
Clay becomes sticky due to fine particles.
10. Gritty texture indicates:
Answer: B
Sand feels rough and gritty.
Sand feels rough and gritty.
11. Soil supports plant growth by providing:
Answer: D
All are essential for growth.
All are essential for growth.
12. Soil texture depends on:
Answer: A
Texture varies with sand, silt, clay ratio.
Texture varies with sand, silt, clay ratio.
13. Clayey soil is used for:
Answer: A
Its plasticity helps shaping pots.
Its plasticity helps shaping pots.
14. Excess water drains quickly in:
Answer: B
Due to large pore spaces.
Due to large pore spaces.
15. Best soil for wheat:
Answer: A
It provides balanced nutrients.
It provides balanced nutrients.
16. Soil color depends on:
Answer: A
Iron and organic matter affect color.
Iron and organic matter affect color.
17. Soil compaction reduces:
Answer: D
Compacted soil limits air and roots.
Compacted soil limits air and roots.
18. Loamy soil contains:
Answer: D
Balanced mixture improves fertility.
Balanced mixture improves fertility.
19. Soil used in brick making:
Answer: A
Clay hardens when baked.
Clay hardens when baked.
20. Best drainage soil:
Answer: B
Sandy soil allows fastest drainage.
Sandy soil allows fastest drainage.
