Why is it preferable to use a moisture meter instead of relying on visual observation only?
Because dry soil always looks wet
To accurately determine the water level
Because it also measures the soil temperature
Because the device is cheaper than visual inspection
Sometimes fertilizers are added... to balance the acidity in the soil
Organic
Alkaline
Natural
Biological
What is the effect of acid rain on plant soil?
Erosion of essential minerals in the soil and release of toxic metals
Increase soil fertility
Improve soil structure and enhance plant growth
Improve soil quality and increase nutrients
When bacteria and fungi grow more in the soil, this is an indication of ...
Increased decomposition and decreased moisture
Increased decomposition and increased moisture
Decreased decomposition and increased moisture
Decreased decomposition and decreased moisture
Which of the following methods is preferable to follow to confront the effects of acid rain on soil?
Increasing the use of pesticides
Removing and ignoring contaminated soil
Adding large quantities of chemical fertilizers
Using alkaline fertilizers such as lime to neutralize acids
What is the most common result of not measuring soil moisture regularly?
Improving crop quality
Increasing soil acidity
Increasing nitrogen retention
Irregular irrigation rates
Which of the following is a potential negative effect of over-irrigation?
Soil water saturation and root destruction
Increasing soil aeration
Improving nutrient uptake
Promoting deep root growth
How do leguminous plants contribute to improving soil fertility?
By reducing the plants' need for other nutrients
By increasing water drainage from the soil
By fixing atmospheric nitrogen in the soil
By increasing the water content in the soil
Which of the following statements expresses acid rain?
Increases soil fertility
Free of pollutants
Increases soil salinity
Occurs as a result of burning fuel
What is the primary environmental benefit of using organic fertilizers instead of chemical fertilizers?
Reducing the need for irrigation
Improving soil acidity
Increasing soil quality in the long term
Increasing soil water saturation
What is the main benefit of planting trees as windbreaks in agricultural areas?
Reducing soil nutrient requirements
Protecting soil from desertification
Improving soil drainage
Increasing soil moisture
Which of the following gases contributes to the formation of acid rain?
Carbon dioxide
Oxygen
Hydrogen
Nitrogen
What is the expected effect of excessively increasing soil moisture on plants?
Increased carbon dioxide absorption
Increased nutrient absorption
Root rot
Faster plant growth
It is considered an element... of the toxic elements in the soil that causes the death of the plant.
Aluminum
Magnesium
Calcium
What is the effect of acid rain on some toxic minerals in the soil?
Decreased deposition in the soil
Transformation into useful minerals
Disappearance from the soil
Increased deposition in the soil
If soil measurements show high acidity levels, what is the best procedure to improve the soil?
Increasing soil water content
Reducing the number of plants planted
Adding agricultural lime
Adding chemical fertilizers
Erosion of agricultural soil and change in its chemical composition results from...
Water scarcity
Change in the pH value of the soil
Presence of carbonate salts in the soil
Use of organic fertilizers
Soil quality can be improved and erosion prevented by...
Reducing organic matter
Planting a single crop
Vegetation cover
What is the effect of acid rain on plant growth?
Increasing fruit production
Improving plant growth
No effect on plants
Slowing plant growth
Phosphorus is one of the basic elements that plants need, because it helps to ...
Flower growth
Healthy growth of plants
Strengthen plant roots
Increase the green color of plant leaves
Which of the following methods causes an increase in the effect of acid rain on the soil?
Using organic fertilizers
Imposing laws to regulate pollutant emissions
Increasing industrial activity and fuel combustion
Reducing emissions
Which of the following options is best for increasing soil moisture retention capacity?
Using drip irrigation
Planting small plants
What is the most effective way to improve clayey soil drainage?
Adding sand
Adding nitrogen fertilizers
Increasing irrigation rate
Planting shallow rooted plants
Which of the following effects occurs to seeds when exposed to acid rain?
Increasing seed size
Improving seed quality
Increasing the germination rate
Delaying the germination process
What is the main reason for the formation of acid rain?
Reaction of sulfur dioxide with water vapor
Accumulation of dust in the atmosphere
Evaporation of water from the oceans
Air pollution with plastic pollutants
Which of the following elements is depleted from the soil due to acid rain?
Carbon
Silicon
What is the main benefit of planting plants that cover the soil?
Prevent soil erosion and maintain moisture
Reduce soil nitrogen
Increase root growth in the soil
Increase soil acidity
The plant depends on the element ... mainly in the process of flower growth
Potassium
Phosphorus
Acid rain reacts after falling on the soil with...
Carbonate salts and minerals
Nitrate salts and minerals
Oxides and minerals
Acids and minerals
What is the effect of acid rain on forests?
Improving biodiversity in forests
Increased resistance of trees to diseases
Increased tree growth
Deterioration of tree health and death
One of the important minerals in the soil that helps increase soil fertility...
Mercury
Lead
When using a moisture meter, if the moisture value is very high, this indicates ..
Increased soil salinity
Increased evaporation
Decrease in water level
Soil saturation with water
Which of the following is considered a direct effect of acid rain on agricultural crops?
Reduce crop quality and productivity
Improve crop stability under changing environmental conditions
Promote healthy crop growth
Increase agricultural crops
Among the acids that fall with rain after forming in the atmosphere...
Nitric acid
Formic acid
Lactic acid
Sulfuric acid
When forest trees are removed, this may lead to ...
Maintaining moisture
Improving the local climate
Increasing soil fertility
Soil erosion by rain
Which of the following effects can result from increased soil acidity?
Increasing the activity of beneficial fungi
Improving the soil structure
Increasing the absorption of toxic metals by plants
Improving the soil's ability to retain water
Which of the following factors is considered the most influential in soil moisture fluctuations throughout the year?
Climate change
Soil type
Activity of microorganisms
Plant type
If the soil contains a high percentage of moisture, this may lead to ..
Increase in soil acidity
Decrease in root aeration
Reducing the amount of water required for irrigation
Better plant growth
Which of the following oxides is considered an air pollutant?
LiO2
NO2
NaO2
KO2
Which of the following options is the best way to increase soil fertility and improve its structure?
Plant crops with deep roots
Add organic fertilizer or compost
Use drip irrigation only
Add chemical fertilizers regularly