CPS 203 past question practice quiz

Introductory soil science and fertility

Solis, their origin and formation:

• Origin and formation of soils

Soil mineralogy, soil formation factors, and processes:

• Mineral composition of soil
• Factors and processes involved in soil formation

Soil profile:

• Layers and characteristics of a typical soil profile

Physical properties of soils:

• Soil texture
• Soil structure
• Soil moisture
• Soil air
• Soil temperature

Soil colloids, soil reactions, soil organic matter, and soil organisms:

• Soil colloids and their properties
• Chemical reactions in the soil
• Importance of organic matter in soil
• Role of soil organisms in soil health

Soil and water conservation:

• Techniques and practices for conserving soil and water

Nutrient requirements and mineral nutrition of plants:

• Plant nutrient requirements
• Mineral nutrition of plants

Introduction to fertilizer:

• Basic introduction to fertilizers

Meaning and scope of soil fertility:

• Understanding soil fertility and its significance

Essential nutrient elements and their roles in crop growth and development:

• Nutrient elements required by plants and their functions

Physical, chemical, and biological factors affecting availability and supply of nutrients:

• Factors influencing nutrient availability to plants

Fertilizers:

• Sources of fertilizers
• Different forms of fertilizers
• Manufacture of fertilizers
• Methods of fertilizer application
• Fertilizer rates
• Fertilizer ratio
• Filler in fertilizers
• Fertilizer recommendations
• Timing of fertilizer application
• Handling and storage of fertilizers

Soil fertility in the tropics:

• Specific considerations for soil fertility in tropical regions

Avenues of nutrient losses:

• Factors leading to nutrient loss in soil

Ways of improving soil fertility:

• Methods and practices for enhancing soil fertility