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