Using heavy agricultural machinery such as tractors and equipment due to...
Soil exhaustion
Deposition of salts on the soil surface
Formation of hard, fossilized layers
Increasing the spaces between soil particles
Water pollution with compounds ... can lead to serious health problems such as blue baby syndrome
Nitrates
Iron
Lead
Petrochemicals
The ratio between minerals in soil to organic matter is ... Correct one
Greater than
Equal
Weakness
Less than
Microorganisms in the soil do...
Increasing soil temperature
Decomposing organic matter and converting it into nutrients
Polluting the soil only
Preventing plant growth
Which of the following is not a type of weathering?
Biological weathering
Environmental weathering
Chemical weathering
Physical weathering
Which of the following does not cause difficulty in plant roots absorbing water from the soil?
Use of nitrogen fertilizers
Increased soil salinity
Soil compaction
Formation of rock layers under the soil
Healthy soil contributes to mitigating the effects of climate change by...
Does not affect the climate
Absorbing carbon and reducing greenhouse gas emissions
Raising the temperature of the Earth
Increasing the amount of carbon dioxide
Soil pollution with chemical compounds does not affect ....
Plant growth
Health of living organisms
Water quality
Using petrochemical compounds to eliminate insects leads to...
Children's blue
Accumulation of salts in the soil
Liver cancer
Increase in heavy metals in the soil
Which of the following are inorganic materials that make up soil?
Living organisms
Silicates
Dead organisms
Plants
Soil salinity increases due to ...
Irrigation of land by flooding
Increased rates of water evaporation from Soil
Frequent irrigation of the soil
All answers are correct
The use of heavy agricultural machinery affects...
Soil aeration
Water cycle in the soil
Minerals in the soil
Soil fertility
Which of the following ranges is considered the most fertile in the soil?
Middle part
Soil surface
Lower part
Bedrock
Which of the following causes soil to lack nutrients?
Discharge of industrial waste into the soil
Repeated cultivation of the same crop for several years
Soil pollution by petroleum derivatives
Soil is considered ... Ideal for agriculture
Loamy
Sandy
Clay
Rocky
Which of the following processes helps increase soil salinity?
Tillage
Evaporation
Infiltration
Transpiration
Soil... has the worst drainage
Silt
Humic
Living in areas around oil refineries and petrochemical plants may result in ...
Cancer
Poor crop productivity
Blue baby syndrome
Poisoning by heavy elements
Repeated cultivation of one crop on the same soil for consecutive years does not cause ...
Serious health problems
Nutrient deficiency in the soil
Long-term economic benefits
Which of the following processes leads to the formation of soil ....
Chemical reaction
Weathering
Soil pollution with heavy metals is one of the negative effects of activities... on the soil
Agricultural
Productivity
Industrial
Commercial
Examples of industrial activities that negatively affect soil quality are...
Discharging industrial waste into the soil
Repeated cultivation of one type of crop
Irrigating agricultural land by flooding
Using heavy agricultural machinery
The soil surface is darker in color than the other zones, due to ...
Accumulation of organic matter
Presence of living organisms
Presence of minerals
High temperature
The basic components that make up the soil surface are ...
Minerals only
Rocks only
Plant remains and humus
Water and gases
Soil contributes to regulating the water cycle by ...
Water production
Preventing water from reaching the plant
Evaporation of all The water in it
Absorbing and storing rainwater
Which of the following are examples of sustainable agricultural techniques?
Converting agricultural waste into fertilizer
Use of natural fertilizers
Construction of roads and urban communities
Use of biopesticides
Microorganisms play a vital role in enhancing soil fertility and improving its structure through .....
nitrogen fixation
improvement of soil structure and support of biodiversity
decomposition of organic matter
All of the above
Increased nitrate levels in the soil lead to ...
Pollution of soil and plants
Impeding the absorption of nutrients by plants
The rise of groundwater upwards by capillary action and its evaporation causes an increase in ....
Percentage of salts
Nitrate compounds
Heavy elements
Soil stress
If there is a decrease in biological activity, what is the possible effect on soil fertility?
No change in fertility
Improvement in water quality
Decrease in fertility
Increase in fertility
No-till farming helps solve the problem of...
Soil fragmentation and erosion
Nutrient deficiency
Soil salinity
Secondary minerals are distinguished from primary minerals in soil in that they are ...
Formed under high pressure
More stable
Consist only of organic matter
Larger in size
One of the characteristics of clay soil is that it ...
Expands when wet and shrinks as a result of drying
Light weight, rich in oxygen
Does not retain water
Rough texture, dries quickly
The process in which rocks are broken into smaller pieces without changing their chemical composition is called...
Erosion
is an example of biological weathering....
Freezing and melting of water in cracks in rocks
Acid rain dissolves limestone
Wind breaking up rocks
Growth of plant roots in cracks in rocks
Heavy metals such as lead and mercury are toxic to plants and animals
False
True
Soil is a layer ....
Loose surface
Solid rock
Loose bottom
Cohesive surface
Soil structure can be maintained and erosion reduced by ..
No-till farming
Irrigation of agricultural soil regularly
Increased soil compaction
Chemical weathering changes the mineral composition of soil through the decomposition of minerals and the release of nutrients, which negatively affects soil fertility.
Which of the following does not significantly affect the rate of weathering ...
Climate
Color of rocks
Time
Type of rock
Growing tomatoes in the same soil for several consecutive years leads to...
Lack of nutrients in the soil
Increase in soil salinity
Clay soils have a high water retention capacity compared to sandy soils, which greatly affects agriculture in dry areas
Weathering... occurs as a result of the decomposition of the minerals that make up the rocks
Thermal
Biological
Physical
Chemical
Which of the following elements is most harmful to human health when the soil is polluted with it?
Sodium
Calcium
clay soil better at retaining water than sandy soil