Primary 4 Agricultural Science Questions
Explore key concepts in Agricultural Science with these Primary 4 FAQ covering soil classifications, fertility, afforestation, deforestation, weathering agents, and more. Learn about soil management and crop rotation practices!
Civic Education Primary 4 Questions
Agricultural Science for Primary 4:
- What are the classifications of soil?
- Answer: The classifications of soil include sandy soil, clayey soil, loamy soil, and peaty soil.
- What is clayey soil mainly used for?
- Answer: Clayey soil is mainly used for pottery making and brick making due to its fine texture and ability to hold water.
- What is soil fertility?
- Answer: Soil fertility refers to the ability of soil to provide essential nutrients to plants for their growth and development.
- What are two causes of reduction in soil fertility?
- Answer: Overuse of chemical fertilizers and soil erosion are two main causes of reduction in soil fertility.
- What is afforestation?
- Answer: Afforestation is the process of planting trees in an area that was previously without trees to create a forest.
- What is deforestation?
- Answer: Deforestation is the clearing or removal of trees from a forested area, often for agricultural or logging purposes.
- What is leaching in soil?
- Answer: Leaching is the process by which soil nutrients are drained away due to excessive water, usually from rainfall or irrigation.
- How can excessive chemical use affect soil?
- Answer: Excessive use of chemicals can alter soil pH levels, reduce beneficial microbial activity, and lead to nutrient imbalances.
- What is soil erosion?
- Answer: Soil erosion is the gradual wearing away of soil by natural forces such as water, wind, and ice.
- What is soil and why is it important for agriculture?
- Answer: Soil is a mixture of minerals, organic matter, water, and air. It is important for agriculture because it provides nutrients and support for plant growth.
- What is weathering and what are its agents?
- Answer: Weathering is the breakdown of rocks and minerals on Earth’s surface. Agents of weathering include water, wind, ice, and biological activity.
- What are two main elements of climate that affect soil formation?
- Answer: Temperature and precipitation are two main elements of climate that influence soil formation processes.
- How many local governments are there in Nigeria?
- Answer: Nigeria has 774 local government areas (LGAs) across the country.
- What are two major economic cities in Nigeria?
- Answer: Lagos and Abuja are two major economic cities in Nigeria, serving as commercial and administrative centers, respectively.
- What is crop rotation and why is it important in agriculture?
- Answer: Crop rotation is the practice of growing different crops in sequential seasons on the same land. It helps prevent soil depletion, pest buildup, and maintains soil fertility.
Basic Science Primary 4 Questions
Subject: Agricultural Science
Class: Primary 4
Mention 2 clasifications of soil.
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Clayey soil is mainly used for …………………………………………………………….…………………
What is soil fertility? …………………………………………………………………………………………….
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Mention 2 causes of reduction in soil fertility.
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What is afforestation? ……………………………………………………………………………………………
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What is deforestation? ……………………………………………..……………………………………………
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Leaching is when the soil nutrients are drained because of too much of …………………….
Excessive use of chemical can affect …………………………………………….………… in the soil.
What is erosion? ……………………………………………………………………………………………………
…………………………………………………………………………………………………………………………….
What is soil? …………………………………………………………………………………………………………
…………………………………………………………………………………………………………………………….
…………………………………………………………………….…………….is the soil suitablefor agriculture.
What is weathering?
Mention 2 agents of weathering.
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Mention 2 main elements of climate which affect soil formation.
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Prepare the crop rotation for the following crops (a) Yam (b) Beans(c) Rice (d) Cassava
- Mention 2 classifications of soil. a) Sandy and clay soil b) Loamy and peaty soil c) Sandy and loamy soil d) Clayey and peaty soil
- Clayey soil is mainly used for __________. a) Pottery making and brick making b) Growing crops c) Construction of roads d) Making paper
- What is soil fertility? a) The ability of soil to hold water b) The ability of soil to provide nutrients c) The color of the soil d) The size of soil particles
- Mention 2 causes of reduction in soil fertility. a) Overuse of chemical fertilizers and soil erosion b) Adding organic matter and crop rotation c) Planting trees and mulching d) Irrigating regularly and using compost
- What is afforestation? a) Clearing forests b) Planting trees in a forested area c) Urbanization d) Soil erosion
- What is deforestation? a) Adding trees to an area b) Removing trees from a forested area c) Planting crops d) Building roads
- Leaching is when the soil nutrients are drained because of too much of __________. a) Fertilizer b) Mulch c) Rainfall or irrigation water d) Sunlight
- Excessive use of chemicals can affect __________ in the soil. a) Soil pH and nutrient levels b) Soil texture c) Soil color d) Soil temperature
- What is erosion? a) The process of adding soil b) The process of soil formation c) The wearing away of soil d) The measurement of soil fertility
- What is soil? a) A mixture of minerals, organic matter, and gases b) A type of rock c) A type of plant d) A body of water
- __________ is the soil suitable for agriculture. a) Peaty soil b) Fertile soil c) Sandy soil d) Rocky soil
- What is weathering? a) The breakdown of rocks and minerals b) The planting of crops c) The process of irrigation d) The removal of trees
- Mention 2 agents of weathering. a) Water (rain, rivers) and wind b) Sunlight and heat c) Mulch and compost d) Fertilizers and pesticides
- Mention 2 main elements of climate which affect soil formation. a) Temperature and precipitation b) Soil color and texture c) Soil pH and fertility d) Soil structure and porosity
- Prepare the crop rotation for the following crops (a) Yam (b) Beans (c) Rice (d) Cassava. a) Beans → Rice → Yam → Cassava b) Rice → Cassava → Beans → Yam c) Yam → Beans → Rice → Cassava d) Cassava → Yam → Beans → Rice
