اختبار إلكتروني

امتحانات - علوم - متكاملة لغات integrated - اولى ثانوي - الوحدة 3 - ترم اول

معلومات الاختبار

عدد الأسئلة

الدرجة الكلية

45.00

معدل النجاح

50.00%

المدة

20 دقيقة

امتحانات علوم متكاملة لغات integrated science مع الاجابات- اولى ثانوي - الوحدة 3 -ترم اول - منهج مصري- اختبارات بصمة

استعراض أسئلة الاختبار (45 سؤالًا) — للقراءة فقط

هذه معاينة نصية للأسئلة للاطّلاع والمراجعة فقط. لخوض الاختبار تفاعليًّا مع تصحيح آلي ونتيجة فورية، اضغط زر «ابدأ الاختبار» أدناه.

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

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