PPSC PAST PAPERS MCQS 2004 TO 2020 OF EVERYDAY SCIENCE
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
پانی (H2O) میں آکسیجن اور ہائیڈروجن کی علیحدگی کے لیے کون سا اتپریرک استعمال ہوتا ہے؟
- Heat
- Nitric Acid
- Electricity
- Sodium Chloride
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Explanation
Electrolysis, which uses electricity as a catalyst, is the process of separating water (H2O) into oxygen (O2) and hydrogen (H2).
When an electric current is passed through water, it causes the water molecules to split into their component gases.
انسانی جسم کا کون سا حصہ ہیپاٹائٹس سی سے متاثر ہوتا ہے؟
- Kidney
- Pancreas
- Liver
- Spleen
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Explanation
Hepatitis C is a liver infection caused by the hepatitis C virus.
Hepatitis C is often described as “acute,” meaning a new infection, or “chronic,” meaning long-term infection.
کون سا ممالیہ اڑنے کی صلاحیت رکھتا ہے؟
- Cat
- Rat
- Bat
- None
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Explanation
Bats are the only mammals capable of sustained flight.
It using their winged forelimbs to navigate through the air.
برونکائٹس _____ سے متعلق بیماری ہے؟
- Brain
- Stomach
- Respiratory tract
- Nervous system
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Explanation
Bronchitis is a disease related to the respiratory tract.
It is characterized by inflammation of the bronchial tubes.
It leads to coughing and breathing difficulties.
Bronchitis is a condition that develops when the airways in the lungs.
It usually happens because of a virus that irritates the lungs
such as:
- tobacco smoke
- fumes
- dust
- and air pollution
مندرجہ ذیل میں سے کون سا رومیننٹ نہیں ہے؟
- Goat
- Camel
- Cow
- Cat
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Explanation
Cat is not a ruminant.
Ruminants like goats, camels, and cows have a specialized stomach with multiple chambers for digesting plant-based food.
While cats are carnivores with a simple stomach.
نہانے کا خوف ____ کے نام سے جانا جاتا ہے؟
- Acrophobia
- Claustrophobia
- Ablutophobia
- None
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Explanation
Ablutophobia is the fear of bathing or washing.
It is a specific phobia where individuals experience anxiety related to personal hygiene activities.
پاسچرائزڈ دودھ ______ کو مارنے کے لیے پروسیس کیا جاتا ہے؟
- Kill Virus
- Kill Bacteria
- Both A and B
- None
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Explanation
Pasteurized milk is processed to kill harmful bacteria and pathogens.
But it may not effectively kill all viruses.
رفتار کی پیمائش _____ سے ہوتی ہے؟
- Spherometer
- Speedometer
- Spirometer
- None
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Explanation
Velocity is measured by a speedometer.
It is a device that measures the rate of change of an object's position with respect to time.
It typically measured in units of distance per unit time.
Such as kilometers per hour (km/h) or miles per hour (mph).
چارلس ڈارون نے انواع کی اصلیت لکھی وہ دراصل _____ تھا؟
- French Nutritionist
- English Biologist
- German Scientist
- None
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Explanation
Charles Darwin was an English naturalist and biologist.
He is best known for his theory of evolution through natural selection.
It he detailed in his book "On the Origin of Species."
مشہور اطالوی سائنسدان الیسانڈرو وولٹا _____ ایجاد کرنے کے لیے مشہور ہے؟
- Hydrogen lamp
- Electric battery
- Both A and B
- None
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Explanation
Alessandro Volta was a famous Italian physicist.
He is well-known for the invention of the first battery in 1800.
He was born in Como, Italy on February 18, 1745.
He was died in March 1827.