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