Preview Questions Soil Scientist | Role Specific Skill

Question 1: What is the purpose of performing soil bulk density testing?

Which action should you take?

Choose only one option

Evaluate nutrient leaching

Measure soil compaction

Determine pH variability

Assess soil texture

Question 2: What is the role of vegetative cover in preventing soil erosion during heavy rainfall events?

Which action should you take?

Choose only one option

It acts as a physical barrier that reduces the speed of surface runoff and protects soil from raindrop impact

It promotes the dissolution of salts, preventing soil salinization

It improves the chemical structure of the soil, increasing its ability to retain moisture

It absorbs excessive rainfall, preventing waterlogging

Question 3: Which of the following is an example of a mechanical soil conservation technique?

Which action should you take?

Choose only one option

Contour trenches

Reduced tillage

Agroforestry

Cover crops

Question 4: Which soil testing method is used to measure available phosphorus in alkaline soils?

Which action should you take?

Choose only one option

DTPA extraction

Olsen method

Mehlich-3 method

Bray-1 method

Question 5: Composting as a sustainable practice benefits the soil by:

Which action should you take?

Choose only one option

Increasing the dependency on chemical fertilizers

Reducing the diversity of soil organisms and decreasing water infiltration

Preventing the formation of soil aggregates

Adding organic matter, improving soil structure, and enhancing microbial activity

Question 6: What does the presence of high levels of exchangeable sodium percentage (ESP) in soil indicate?

Which action should you take?

Choose only one option

Increased microbial activity

High fertility

Soil sodicity

Low organic matter