اختبار إلكتروني

اختبار - علوم - متكاملة لغات integrated - اولى ثانوي - الوحدة الثانية - ترم اول

معلومات الاختبار

عدد الأسئلة

الدرجة الكلية

45.00

معدل النجاح

50.00%

المدة

30 دقيقة

امتحان integrated science اولى ثانوي -unit Two- مقرر نوفمبر - نموذج8 -ترم اول 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.

In which of the following cases can nitrogen gas react with other gases?
- أ. When lightning occurs
- ب. Under normal conditions
- ج. When in contact with oxygen
- د. At low temperatures
Which of the following gases plays a major role in the combustion process?
- أ. Oxygen
- ب. Argon
- ج. Water vapor
- د. Nitrogen
All of the following gases make up less than 1% of the volume of the atmosphere except ...
- أ. N2
- ب. Co2
- ج. H2
- د. Ar
Water vapor affects weather and climate as it ...
- أ. Plays a role in forming clouds
- ب. Does not affect the weather
- ج. Increases the concentration of oxygen
- د. Causes rain only
One of the negative effects of ozone near the Earth's surface is that it...
- أ. Toxic and harmful
- ب. Enhances plant life
- ج. Harmless
- د. Protects living organisms
Solar radiation affects the ionosphere, resulting in…
- أ. Ionization of atoms
- ب. Reducing atmospheric pressure
- ج. Does not affect it
- د. Cooling the layer
Which of the following processes depends on the presence of oxygen?
- أ. Combustion process
- ب. Excretion process
- ج. Photosynthesis
- د. All of the above
Which layer of the atmosphere contains the most ozone?
- أ. Stratosphere
- ب. Mesosphere
- ج. Ionosphere
- د. Troposphere
The gas that constitutes the least percentage in the atmosphere is?
- أ. Carbon dioxide
- ب. Nitrogen
- ج. Argon
- د. Oxygen
Which of the following gases can easily react with other elements?
- أ. Oxygen
- ب. Ozone
- ج. Nitrogen
- د. Argon
Nitrogen is largely a carrier gas because it...
- أ. Requires special conditions to react
- ب. Make up most of the atmosphere
- ج. Reacts quickly with other elements
- د. Does not react with oxygen
The direct effect of increased carbon dioxide in the atmosphere is...
- أ. Global warming
- ب. Increased oxygen
- ج. Reduced cloud cover
- د. No effect
The harmful effect of ozone near the Earth's surface can be reduced by...
- أ. Reducing chemical emissions
- ب. Increasing nitrogen levels
- ج. Reducing water vapor
- د. Reducing oxygen
Why is the presence of the ozone layer vital to living organisms?
- أ. Because it prevents harmful ultraviolet rays
- ب. Because it enhances combustion processes
- ج. Because it increases the percentage of argon
- د. Because it helps in breathing
Nitrogen oxide is present in a very small percentage because nitrogen gas…
- أ. Needs special conditions to react
- ب. Very harmful to the environment
- ج. Useful in the combustion and respiration process
- د. Present in a small percentage
It is considered... The unit of measurement of atmospheric pressure used on meteorological maps
- أ. Millibar
- ب. mmHg
- ج. Bar
- د. All of the above
It is preferable for aircraft to fly in the stratosphere because of...
- أ. Horizontal movement of the atmosphere
- ب. High temperature
- ج. Vertical movement of the atmosphere
- د. Increased clouds
One of the beneficial effects of ultraviolet rays is that it helps in….
- أ. Formation of ozone
- ب. Increase in atmospheric pressure
- ج. Cooling the air
- د. Decomposition of gases
Meteors falling towards the Earth burn at an altitude of…
- أ. 70km
- ب. 90km
- ج. 50km
- د. 640km
Which of the atmospheric phenomena is considered a result of rapid fluctuations in atmospheric pressure?
- أ. Thunderstorms
- ب. Snowfall
- ج. Calm winds
- د. Fog
Normal atmospheric pressure 101300 N/m2
- أ. True
- ب. False
Maximum height of the ionosphere 460 km
- أ. False
- ب. True
Mercury barometer measurement at sea level .........
- أ. 760 mmHg
- ب. 670 mmHg
- ج. 706 mmHg
- د. 776 mmHg
Ionosphere Used in long-distance wireless communications
- أ. True
- ب. False
What is the main source of heat and light on Earth?
- أ. The Sun
- ب. Meteors
- ج. Volcanic activity
- د. The Moon
What causes the temperature to vary between different regions?
- أ. The effect of the sun on the surface of the Earth and water
- ب. Population density in the region
- ج. Type of soil in the region
- د. Difference in height above sea level
Why are some regions warm and sunny, while others are cold and dry?
- أ. Due to its geographical location and proximity to the equator or poles
- ب. Due to the difference in population
- ج. Due to the use of renewable energy
- د. Due to air pollution only
The main factor that affects the weather in certain areas is...
- أ. Weather factors such as atmospheric pressure and temperature
- ب. Type of agriculture in the area
- ج. Distance from oceans
- د. Human activity only
How do winds affect the weather?
- أ. Move hot and cold air, which affects temperatures
- ب. Increases humidity only
- ج. Causes rain in all areas
- د. Winds prevent rain
What is the most important climatic factor that affects other factors?
- أ. Heat
- ب. Humidity
- ج. Wind
- د. Atmospheric pressure
What is the process in which heat is transferred from one particle to another in solid materials without the movement of the particles themselves?
- أ. Conduction
- ب. Reflection
- ج. Radiation
- د. Convection
Which of the following materials is considered a high thermal conductivity?
- أ. Copper
- ب. Plastic
- ج. Wood
- د. Glass
What is the main property that distinguishes thermal radiation from other methods of heat transfer?
- أ. It can spread in a vacuum
- ب. It only occurs in gases
- ج. It moves at a higher speed than conduction
- د. It depends on the presence of a material medium
What is the phenomenon that explains why hot bodies are less dense than cold bodies in fluids?
- أ. Thermal expansion
- ب. Thermal conduction
- ج. Convection
- د. Contraction of matter
What is the result of the difference in atmospheric pressure?
- أ. Blowing wind
- ب. Complete calm weather
- ج. Increased temperature
- د. No wind
What are the characteristics of polar winds?
- أ. Dry and cold winds
- ب. Stormy and rainy winds
- ج. Calm and warm winds
- د. Moist and warm winds
How does low atmospheric pressure affect the amount of oxygen available for breathing in high altitudes?
- أ. The amount of oxygen decreases
- ب. Causes an increase in blood pressure
- ج. Remains constant
- د. The amount of oxygen increases
What is the physiological response of organisms living in areas with low atmospheric pressure?
- أ. Increasing the number of red blood cells
- ب. Increasing the respiratory rate
- ج. Reducing physical activity
- د. Reducing the number of red blood cells
What is the definition of humidity in meteorology?
- أ. The amount of water vapor in the air
- ب. Air temperature
- ج. Air pressure
- د. The amount of oxygen in the air
What device is used to measure the humidity in the air?
- أ. Hygrometer
- ب. Thermometer
- ج. Anemometer
- د. Barometer
How does increasing relative humidity affect plants?
- أ. Decreases the rate of transpiration
- ب. Does not affect plants
- ج. Increases the rate of root growth only
- د. Increases the rate of transpiration
What is the main effect of climate on living organisms?
- أ. Affects the distribution, growth and behavior of organisms
- ب. Affects only the behavior of organisms
- ج. Affects only the distribution of living organisms
- د. Does not affect the growth of organisms
Ice fish adapts to live in frozen waters where…
- أ. Secretes antifreeze proteins
- ب. Contains large amounts of hemoglobin
- ج. Lives in warm water
- د. Moves at high speed to avoid freezing
What is the feature that helps the thorny lizard live in the desert?
- أ. Small channels on its skin to collect moisture
- ب. Ability to fly
- ج. Ability to store water for long periods
- د. Thick skin prevents water evaporation
Low air pressure is formed when the temperature rises and high air pressure is formed when the temperature drops.
- أ. True
- ب. False

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