Preview Questions Soil Scientist | Role Specific Skill

Question 1: Which method is most accurate for determining soil pH in a lab setting?

Which action should you take?

Choose only one option

Barium sulfate test

Colorimetric method

Potentiometric method using a pH meter

Calcium chloride test

Question 2: Which type of fertilizer is most commonly used to correct micronutrient deficiencies in crops grown in calcareous soils?

Which action should you take?

Choose only one option

Urea-based fertilizers

Chelated iron fertilizers

Ammonium nitrate fertilizers

Potassium chloride fertilizers

Question 3: Which of the following is the most effective method to reduce coastal soil erosion?

Which action should you take?

Choose only one option

Contour plowing

Use of sediment basins

Planting mangroves

Cover cropping

Question 4: What is the primary factor influencing the soil's ability to store carbon and contribute to soil health?

Which action should you take?

Choose only one option

Soil temperature

Soil organic matter content

Soil pH

Soil moisture

Question 5: Which soil testing technique is most accurate for assessing the nutrient status of soils that are prone to acidification, like those under long-term crop production?

Which action should you take?

Choose only one option

Olsen method

Buffer pH method

KCl extraction method

Mehlich-3 extraction method

Question 6: How does the timing of nitrogen fertilizer application impact the risk of nitrogen loss?

Which action should you take?

Choose only one option

Applying it during the growing season maximizes uptake

Timing has no significant effect on nitrogen loss

Applying it in the spring reduces the risk of leaching

Applying it in the fall reduces the risk of volatilization