MCAER PG CET 2026 SOIL SCIENCE & AGRIL CHEMISTRY

 

MCAER PG CET 2026
Soil Science & Agricultural Chemistry

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1. The nutrient that shows maximum fixation in acidic soils is:

Nitrogen Phosphorus Potassium Calcium

2. PYQ (MCAER PG CET 2023) The main source of negative charge in soil colloids is:

Clay minerals and organic matter Soil moisture Soil air Soil temperature

3. The chemical process responsible for release of nutrients from minerals is:

Weathering Nitrification Immobilization Denitrification

4. The nutrient most mobile in soil solution is:

Nitrate nitrogen Phosphate Potassium Calcium

5. PYQ (MCAER PG CET 2021) The standard method used to determine soil organic carbon is:

Kjeldahl method Walkley and Black method Bray method Olsen method

6. The major component of soil humus responsible for cation exchange is:

Lignin Humic substances Cellulose Proteins

7. The nutrient deficiency symptom appearing first on older leaves is typical of:

Immobile nutrients Mobile nutrients Micronutrients Secondary nutrients

8. The process of converting atmospheric nitrogen into ammonia by microorganisms is:

Ammonification Nitrogen fixation Nitrification Denitrification

9. The soil reaction (pH) mainly influences nutrient availability because it affects:

Solubility of nutrients Soil color Soil texture Soil structure

10. The capacity of soil to resist sudden change in pH is called:

Soil buffering capacity Soil aggregation Soil permeability Soil plasticity