SOIL SCIENCE
Quiz by SALINDUNONG REVIEW AND TRAINING CENTER
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- Q1
This micronutrient is needed in N fixation by leguminous plants and is usually deficient in acid upland soil
Molybdenum
Iron
Manganese
Zinc
60s - Q2
This macroelement is a component of protein and chlorophyll and is most limiting element in crop production except for legumes
Calcium
Phosphorus
Potassium
Nitrogen
60s - Q3
What is the inherent capacity of the soil to supply nutrients to plants in adequate amount and suitable proportion called?
Soil productivity
Intensity factor
Soil fertility
Nutrient availability
60s - Q4
The ability of the soil to replenish the amount of nutrients in the soil solution
Availability
Intensity factor
Capacity factor
Buffering capacity
60s - Q5
The relative ease by which a nutrient is supplied by the soil
Nutrient availability
Soil productivity
Intensity factor
Soil fertility
60s - Q6
A method of soil fertility evaluation whereby concentration of nutrients are known before a crop is planted
Biological test
Nutrient deficiency symptoms
Soil analysis
Plant analysis
60s - Q7
It is considered as one of the causes of soil acidity
Crop rotation
Leaching of bases
Liming
Irrigation
60s - Q8
The concentration of nutrients in the soil solution
Intensity factor
Capacity factor
Reserve acidity
Buffering capacity
60s - Q9
This macroelement is a metal component of chlorophyll and is deficient in acid upland soil
Magnesium
Copper
Nitrogen
Calcium
60s - Q10
When nutrients are immobile, deficiency shows up first in
Senescent leaves
Stems
Youngest leaves
Oldest leaves
60s - Q11
A process of movement of individual ion bue to difference in concentration
Absorption
Mass flow
Root elongation
Diffusion
60s - Q12
A soil chemical property which largely controls nutrient availability and microbial activities
Soil pH
V
Electrical conductivity
Cation exchange capacity
30s - Q13
A term that indicates excessive level of nutrient in the plant or soil
Sufficiency
Deficiency
Toxicity
Poverty adjustment
60s - Q14
The most appropriate soil management which increases availability of adsorbed P in acid upland soil
Organic matter application
Prolonged anaerobic conditions
Liming
Fertilizer application
60s - Q15
Nutrient deficiency symptoms is referred to as a language of the crop. What is the term given to describe general yellowing of leaves as a result of the deficiency of some nutrient elements?
Defective
Chlorosis
Necrosis
Plasmolysis
30s