PPSC PAST PAPERS ALL MCQS 2022 OF EVERYDAY SCIENCE
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
انسانوں میں پیشاب کے ذریعے خارج ہونے والا نائٹروجنی فضلہ _____ ہے؟
Uric Acid
Ammonia
Urea
None of these
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Explanation
Humans excrete nitrogenous waste primarily as urea . It is less toxic and water-soluble , through the urine. Urea is produced in the liver during the urea cycle as a byproduct of protein metabolism.
نورانی جسم _____ خارج کرتا ہے؟
Waves
Light
Energy
None of these
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Explanation
A luminous body emits light , as it produces its own visible radiation (e.g., the Sun or a lamp ). Light emitted by luminous bodies enables us to see objects and is a form of electromagnetic radiation.
کون سی مشروم کھانے کے قابل نہیں ہے؟
Amanita phalloides
Oyster mushroom
Straw mushroom
None of these
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Explanation
Amanita phalloides , also known as the death cap. It is highly toxic and not edible , causing severe poisoning and death if consumed. Oyster mushrooms and straw mushrooms are safe to eat and commonly used in cooking .
بناسپتی گھی کی تیاری میں استعمال ہونے والی گیس _____ ہے؟
Helium
Hydrogen
Oxygen
None of these
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Explanation
Hydrogenation is the process by which hydrogen is used in the preparation of banaspati ghee from vegetable oil
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ND16-12-2022
Rain drops
Clouds
Dust particle
All of these
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Explanation
Rainbows are caused by the refraction , reflection, and dispersion of light in water droplets in the atmosphere.
These processes break sunlight into its component colors.
روشنی کی رفتار کے مقابلے برقی مقناطیسی شعاعوں کی رفتار ______ ہے؟
Same as speed of light
More than speed of light
More than speed of light
None of these
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Explanation
Electromagnetic waves , including light, travel at the same speed in a vacuum .
It is approximately 299,792 kilometers per second.
معاشرے پر کھیلوں کے اثرات کے مطالعہ کو _____ کہا جاتا ہے؟
Sport Sociology
Sport Psychology
Sport Society
None of these
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Explanation
The study of how sports affect society is called sports sociology, or the sociology of sports.
It examines how sports are socially constructed and how they relate to social class, gender, race, ethnicity, sexuality, and physical ability.
شمال مشرقی علاقوں کی مٹی کی پختگی کا رنگ ______ ہے؟
Grey
Reddish
Dark Brown
None of these
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Explanation
The soil maturity color in northeastern areas is typically Dark Brown .
This is because the soils in these regions have been weathered for a long time , which has led to the formation of mature soils with a dark brown color.
ایک گیند عمودی طور پر اوپر کی طرف پھینکی جاتی ہے۔ کشش ثقل کی وجہ سے ایکسلریشن _____؟
0.7 m/s^2 Vertical
9.8 m/s^2 Downward
9.8 m/s^2 Upward
None of these
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Explanation
The acceleration due to gravity is 9.8 m/s² downward. This force acts on the ball throughout its motion. This pulling it back to the ground after it is thrown upwards. Last updated 27-07-2026 by NA
مندرجہ ذیل میں سے کون سے بڑے پیمانے پر بربادی کے رجحان سے کوئی شخص آگے نکل سکتا ہے؟
A person could not outrun any of these phenomena
Creep
Avalanche
None of these
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Explanation
While creep is a slow and gradual process, it's still not recommended to try to outrun any mass wasting phenomenon.
Creep can still be unpredictable and may accelerate suddenly, making it dangerous to be in the area.
