Preview Questions Soil Scientist | Role Specific Skill

Question 1: How does mulching help in controlling soil erosion?

Which action should you take?

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Reduces surface water runoff

Reduces soil temperature

Promotes waterlogging

Increases soil bulk density

Question 2: What is the primary role of legumes in sustainable farming systems?

Which action should you take?

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Increased soil pH

Nitrogen fixation to improve soil fertility

Increased soil erosion

Increased water use

Question 3: Which type of vegetation is most effective in reducing erosion in coastal agricultural fields prone to wind erosion?

Which action should you take?

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Crops with shallow root systems

Drought-resistant grass species

Trees with extensive canopy coverage

Shrubs and bushes with deep root systems

Question 4: Which method is most suitable for determining soil organic matter content?

Which action should you take?

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Calcium chloride extraction

Hydrometer method

Electrical conductivity test

Loss-on-ignition method

Question 5: In regions with heavy rainfall, which soil management technique is most effective in preventing sheet erosion?

Which action should you take?

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Applying chemical inhibitors to stabilize soil particles

Increasing the frequency of irrigation to prevent soil crusting

Using contour plowing to follow the natural slope of the land

Broad-acre tilling to aerate the soil and promote root penetration

Question 6: What is the significance of maintaining soil pH in sustainable farming systems?

Which action should you take?

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It has minimal impact on soil fertility and ecosystem health

It directly impacts soil texture and water retention

It decreases the efficiency of fertilizer application

It affects nutrient availability and soil microbial activity