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