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Compare the effects of primary tillage and secondary tillage on soil condition and crop establishment.

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Free Soil Conservation Officer Practice Questions

Category No: 540/2025The Soil Conservation Officer exam is conducted by the Kerala Public Service Commission for recruitment to the Kerala Government Soil Survey and Soil Conservation Department. This exam tests candidates' knowledge in agriculture and related fields to select qualified officers for soil conservation roles. Successful candidates will be appointed on a pay scale of ₹55,200 - ₹1,15,300 and will undergo probation and training. The selection process involves online application through one-time registration and may include written or online tests.Direct Recruitment2 VacanciesDegree in Agriculture RequiredAge Limit: 20-36 YearsKerala PSCOnline ApplicationNo Application FeePrepare well to secure a government role in soil conservation with career growth prospects.

Try 15 free syllabus-aligned practice questions for the Soil Conservation Officer exam. Each question includes instant feedback so you can learn as you go. No sign-up required.

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Q1. Compare the effects of primary tillage and secondary tillage on soil condition and crop establishment.

  1. Primary tillage compacts soil; secondary tillage loosens it.
  2. Primary tillage breaks and turns soil; secondary tillage refines soil for seedbed preparation.
  3. Primary tillage removes weeds; secondary tillage increases soil erosion.
  4. Primary tillage adds fertilizers; secondary tillage removes crop residues.

Q2. Which of the following best defines the scope of agronomy?

  1. Study of soil formation and classification only
  2. Science of crop production and soil management for sustainable agriculture
  3. Focus on animal husbandry and livestock management
  4. Study of agricultural machinery and equipment

Q3. In a scenario where soil moisture is low, which sowing method would be most suitable to ensure better seed germination and why?

  1. Broadcasting, because it covers a larger area quickly.
  2. Drilling, because it places seeds at a uniform depth where moisture is retained.
  3. Dibbling, because it exposes seeds to air for faster drying.
  4. Ridge sowing, because it places seeds on elevated soil surfaces.

Q4. How does the concept of 'growth rate' differ from 'development rate' in the context of crop growth?

  1. Growth rate refers to morphological changes; development rate refers to biomass accumulation.
  2. Growth rate is the increase in size or mass; development rate is the progression through growth stages.
  3. Both terms are synonymous and used interchangeably.
  4. Growth rate measures photosynthesis; development rate measures respiration.

Q5. Compare the roles of agronomy and horticulture in crop production. Which statement is most accurate?

  1. Agronomy focuses on large-scale field crops; horticulture focuses on fruits, vegetables, and ornamentals
  2. Agronomy deals only with soil science; horticulture deals only with plant breeding
  3. Both agronomy and horticulture exclusively study animal production
  4. Horticulture is a subset of agronomy focusing on soil management

Q6. A field has a heavy clay soil that tends to crust after rainfall. Which tillage practice would best improve the tilth and reduce crusting?

  1. Deep moldboard plowing followed by harrowing
  2. No-till farming with herbicide application
  3. Repeated shallow disking without soil loosening
  4. Compaction using heavy rollers after planting

Q7. Conceptually, how does agronomy contribute to sustainable agriculture?

  1. By increasing the use of chemical fertilizers indiscriminately
  2. By integrating crop management practices that maintain soil health and productivity
  3. By focusing solely on maximizing short-term crop yields
  4. By promoting monoculture farming systems exclusively

Q8. If a crop requires 120 kg of nitrogen per hectare and the soil test shows 40 kg of available nitrogen, how much additional nitrogen should be applied according to agronomic principles?

  1. 80 kg per hectare
  2. 120 kg per hectare
  3. 40 kg per hectare
  4. 160 kg per hectare

Q9. Which of the following best explains the concept of seed dormancy and its significance in crop production?

  1. Seed dormancy is the immediate germination of seeds after sowing.
  2. Seed dormancy is a period during which seeds do not germinate despite favorable conditions, ensuring survival.
  3. Seed dormancy refers to seeds losing viability over time.
  4. Seed dormancy is the process of seed coat hardening after germination.

Q10. How does good tilth affect crop growth and yield?

  1. It reduces soil aeration and water retention.
  2. It improves soil structure, facilitating root penetration and moisture retention.
  3. It compacts the soil surface, preventing weed growth.
  4. It increases soil acidity, enhancing nutrient availability.

Q11. A farmer wants to sow 10 kg of seeds per hectare using a seed drill that covers 0.5 hectares per hour. If the seed drill operates at 4 km/h and the width of the drill is 2 meters, calculate the seed rate in grams per meter length of the drill.

  1. 10 g/m
  2. 25 g/m
  3. 100 g/m
  4. 50 g/m

Q12. Compare the advantages of broadcasting versus dibbling as sowing methods in terms of seed placement and crop establishment.

  1. Broadcasting ensures uniform seed depth, dibbling does not.
  2. Dibbling places seeds at precise depth, broadcasting scatters seeds randomly.
  3. Broadcasting is more labor-intensive than dibbling.
  4. Dibbling results in lower seedling survival compared to broadcasting.

Q13. Which of the following best describes the term 'crop geometry' in agronomy?

  1. The spatial arrangement of plants in a field
  2. The genetic makeup of a crop variety
  3. The nutrient content of the soil
  4. The water absorption capacity of plants

Q14. Compare the effects of increasing crop density versus increasing plant spacing on crop yield and resource competition.

  1. Increasing crop density always increases yield without affecting resource competition.
  2. Increasing plant spacing reduces resource competition but may decrease total yield per area.
  3. Increasing crop density reduces resource competition among plants.
  4. Increasing plant spacing always increases yield by improving resource use.

Q15. What is the primary purpose of optimizing crop density in agricultural fields?

  1. To maximize soil erosion
  2. To ensure maximum light interception and yield
  3. To reduce the need for irrigation
  4. To increase the use of chemical fertilizers
Free Soil Conservation Officer Practice Questions | Kerala PSC Prep