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Which of the following is the most important criterion when selecting seeds for sowing to ensure high crop yield?

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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. Which of the following is the most important criterion when selecting seeds for sowing to ensure high crop yield?

  1. Seed color
  2. Seed viability and purity
  3. Seed size
  4. Seed shape

Q2. 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.

Q3. A farmer wants to improve crop yield without degrading soil quality. Which agronomic practice should be recommended?

  1. Continuous monocropping without crop rotation
  2. Implementing crop rotation and organic matter addition
  3. Excessive tillage to prepare seedbed
  4. Ignoring soil testing before fertilizer application

Q4. A farmer wants to plant maize with a row spacing of 75 cm and plant spacing within the row of 25 cm. Calculate the crop density (plants per hectare).

  1. 53,333 plants/ha
  2. 53,333 plants/1000 m²
  3. 5,333 plants/ha
  4. 533,333 plants/ha

Q5. 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.

Q6. 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.

Q7. A farmer uses a moldboard plow to till 2 hectares of land. If the plow covers 0.5 hectares per hour, how many hours will the tillage operation take?

  1. 2 hours
  2. 3 hours
  3. 4 hours
  4. 5 hours

Q8. Which of the following stages in crop growth is characterized by rapid cell division and elongation leading to an increase in plant height and leaf area?

  1. Maturation stage
  2. Vegetative stage
  3. Germination stage
  4. Senescence stage

Q9. 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

Q10. 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

Q11. 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.

Q12. 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

Q13. 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

Q14. 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.

Q15. 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
Free Soil Conservation Officer Practice Questions | Kerala PSC Prep