Soil
Biology · 50 practice questions
Characteristics of soil types (sandy, loamy, clayey) — structure, porosity, capillarity, humus content; components of soil (inorganic, organic, soil organisms, air, water); soil fertility — loss, renewal and maintenance.
- Identify the physical properties of different soil types through simple measurement.
- Determine the amounts of air, water and humus in different soils experimentally.
- Relate soil characteristics to healthy plant growth.
- Relate causes of soil-fertility loss (compaction, leaching, erosion, repeated cropping) and apply conservation practices (contour ridging, terracing, mulching, crop rotation, shifting cultivation, use of fertilizers).
Try a few questions
- Practice question 1
Farmer education and awareness programmes specifically contribute to soil conservation mainly by
- A.a factor entirely unrelated to encouraging sustainable farming practices
- B.discouraging every form of soil conservation practice without exception
- C.encouraging the adoption of sustainable farming practices
- D.having no measurable effect of any kind on soil conservation outcomes
Show the answer
C. encouraging the adoption of sustainable farming practices
Farmer education and awareness programmes specifically contribute to soil conservation mainly by encouraging sustainable farming practices.
- Practice question 2
Fertilizer application, a method of improving soil, specifically is used mainly to
- A.a factor entirely unrelated to replenishing nutrients of any kind
- B.replenish nutrients that crops have removed from the soil
- C.remove excess nutrients that have built up within the soil
- D.increase the proportion of sand particles present within the soil
Show the answer
B. replenish nutrients that crops have removed from the soil
Fertilizer application, a method of improving soil, specifically is used mainly to replenish nutrients removed by crops.
- Practice question 3
Soil pH specifically can affect fertility because an excessively acidic or alkaline soil can
- A.limit the availability of certain nutrients to plant roots
- B.a factor entirely unrelated to the availability of nutrients of any kind
- C.have no effect of any kind on nutrient availability to plant roots
- D.always increase the availability of every single nutrient without exception
Show the answer
A. limit the availability of certain nutrients to plant roots
Soil pH specifically can affect fertility because an excessively acidic or alkaline soil can limit nutrient availability.
More UTME Biology topics
- Factors Affecting the Distribution of Organisms
- Internal Structure of Plants and Animals
- Living Organisms
- Theories of Evolution
- Variation in Population
- Evidence of Evolution
- Evolution Among Organisms
- Heredity
- Nutrition
- Symbiotic Interactions of Plants and Animals
- Natural Habitats
- Structural, Functional and Behavioural Adaptations
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