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۔
- Vitamin
- Hormone
- Enzyme
- Amino Acid
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Ascorbic Acid is commonly known as Vitamin C.
- It is essential for growth, repair, and maintenance of body tissues.
- Prevents scurvy, a disease caused by Vitamin C deficiency.
Additional information:
Sources of Vitamin C (5):
- Orange
- Lemon
- Guava
- Strawberry
- Bell pepper
Functions:
- Antioxidant
- Collagen synthesis
- Strengthens immunity
Last verified on 19-01-2026
- 450,000 km
- 50,075 km
- 40,075 km
- 30,000 km
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Explanation
- The Earth’s circumference at the equator is about 40,075 km (24,901 miles).
- Measured through the poles, it is slightly smaller: 40,008 km (24,860 miles).
- The difference is due to the equatorial bulge caused by Earth's rotation.
- Diameter: ~12,756 km (7,926 miles).
- Age of Earth: ~4.453 billion years.
Last verified on 31-03-2026
نظام شمسی کا سب سے بڑا سیارہ کونسا ہے؟
- Earth
- Mars
- Jupiter
- Saturn
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The largest planet in our solar system is Jupiter.
- 5th planet
- 79 known moons (Maximum number of moons)
- The Great Red Spot is a prominent feature
- Giant planet and the fastest-rotating planet
- Rotates approximately once every 10 hours.
- Age is about 4.603 billion years.
Additional information
- Mercury is the smallest planet of the solar system.
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Last updated 07-09-2026 by NA
انیمومیٹر وہ آلہ ہے جو ____ کی پیمائش کے لیے استعمال ہوتا ہے؟
- Wind Speed / Electrically records with velocity
- Wind Direction
- Pressure
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Anemometer is a scientific instrument used to measure wind speed (velocity).
- It is mainly used in meteorology and weather forecasting.
- It helps in studying storms, cyclones, and air pressure changes.
- Common types include cup, vane, and hot-wire anemometers.
Additional Information:
- A hygrometer is an instrument used to measure humidity.
- A salinometer is used to measure the salinity
- A bolometer is used to measure the power of incident electromagnetic radiation
- A barometer is used to measure air pressure in certain environment.
Last verified on 30-05-2026
وہ اوزار جس سے دودھ کا گاڑھا پن یا خالص پن ناپا جاتا ہے، اسے کیا کہتے ہیں؟
- Lucimeter
- Lactometer
- Barometer
- Hydrometer
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Explanation
- A lactometer is used to measure the purity and density (thickness) of milk.
- It checks if milk has been adulterated with water by measuring specific gravity.
- Works on the principle of buoyancy.
- Pure milk specific gravity: 1.028–1.032 at 15°C
Last verified on 16-03-2026
ان میں سے کون سا ذرہ زیادہ گھسنے کی طاقت رکھتا ہے؟
- Gamma rays
- Alpha rays
- Beta rays
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Gamma rays have the highest penetrating power among these particles.
- Due to their lack of mass and charge.
- It allowing them to pass through most materials.
Additional information:
- Alpha radiation has the lowest penetrating power.
Last verified on 12-04-2026
وٹامن ڈی کی کمی کے نتیجے میں کیا ہوتا ہے؟
- Rickets
- Scurvy
- Night blindness
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Vitamin D is essential for healthy bones.
- Its deficiency leads to Rickets in children and Osteomalacia in adults.
- Sunlight is the best natural source of Vitamin D.
Additional information:
Deficiency effects:
- Bone pain
- Weak bones
- Skeletal deformities
Other Vitamin Deficiencies:
- Vitamin A: Night blindness
- Vitamin C: Scurvy
- Vitamin B7 (Biotin): Hair fall
Last verified on 17-01-2026
درج ذیل میں سے کس کی برقی موصلیت سب سے زیادہ ہے؟
- Iron
- Steel
- Silver
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Electrical conductivity means how easily a material allows electric current to pass through it.
- Among common metals, silver has the highest electrical conductivity.
Additional information:
- Silver: 100 (highest)
- Copper: 97 (very close second)
- Gold: 76
- Aluminum: 60
- Iron: ~17 (low compared to above metals)
Last verified on 17-05-2026
شملہ ڈیپوٹیشن کی قیادت کس نے کی؟
- Allama Iqbal
- Sir Agha Khan
- Rehmat Ali
- Sir Syed Ahmad
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Explanation
- The Simla Deputation met the Viceroy of India on 1 October 1906.
- It was led by Sir Aga Khan III.
- The delegation consisted of about 35 members.
- First, the group met the Principal of Aligarh College (MAO College).
- The Principal arranged the meeting through Colonel Dunlop (Secretary to Viceroy), and then the delegation met Lord Minto.
- Since the meeting took place at Simla, it was called the Simla Deputation.
Last verified on 02-05-2026
کون سی دھات بجلی کا بہترین موصل ہے؟
- Silver
- Copper
- Brass
- None of them
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Metals allow electricity to pass through them easily.
- Among all metals, silver has the highest electrical conductivity.
- Copper and gold are also very good conductors.
- Silver is widely used in high-precision electrical applications.
- Copper is commonly used in wiring due to cost-effectiveness.
Last verified on 16-05-2026