Soil Science Quiz | Agriculture MCQ Practice for IBPS AFO 2026

1

Soil is sodic if ESP is greater than

Solution & Explanation ESP > 15 indicates sodicity.

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2

Which soil condition reduces calcium availability?

Solution & Explanation Ca leached in acidic soils.Ca precipitation as calcium carbonate or calcium phosphate in Alkaline soil.

2 / 5

3

In the Munsell colour system, what does the 'CHROMA' denote?

Dominant spectral colour

Purity of colour

Lightness and darkness

The textural of the soil

Amount of organic matter

Solution & Explanation In the Munsell colour system, 'CHROMA' denote Purity of colour .

3 / 5

4

Sulphur content in potassium sulphate fertilizer is

Solution & Explanation Potassium sulphate (SOP) contains about 50% K2O and approximately 17% sulphur.

4 / 5

5

Which nutrient deficiency causes hidden hunger?

Solution & Explanation Yield loss without visible symptoms.

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Soil Science Quiz for IBPS AFO 2026