PPSC 5 YEARS PAST PAPERS SUBJECT WISE (SOLVED WITH DETAILS)
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
تقریباً 250 ملین سال پہلے زمین کے تمام خشکی کے حصے ایک بڑے براعظم میں جُڑے ہوئے تھے، اسے کیا کہتے ہیں؟
- Tasmania
- Gondwanaland
- Pangea
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Pangaea was a supercontinent that existed about 250 million years ago.
- It included all Earth’s landmasses joined together in one block.
- It later broke into smaller continents due to plate tectonics.
- This process formed today’s continents like Asia, Africa, Europe, etc.
- The idea was proposed by scientist Alfred Wegener.
Last verified on 02-05-2026
جغرافیہ کا باپ کس کو کہا جاتا ہے؟
- Herodotus
- Aristotle
- Erastosthenes
- None of these
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Explanation
- The term Geography was first used by the Greek scholar Eratosthenes.
- He lived in the 3rd century BC (around 276–194 BC).
- He is also known as the “Father of Geography”.
- He calculated the circumference of the Earth with remarkable accuracy.
- His work laid the foundation of modern geographical studies.
Last verified on 02-05-2026
موہو ڈسکنٹی نیوٹی کہاں پائی جاتی ہے؟
- Inner core and outer core
- Crust and Mantle
- Upper mantle and lower mantle
- None of these
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Explanation
- Moho discontinuity is the boundary between the Earth’s crust and mantle.
- It was discovered by seismologist Andrija Mohorovičić in 1909.
- It is identified by a sudden change in seismic wave speed.
- The crust is solid outer layer, while the mantle lies beneath it.
- Depth varies from 5–70 km depending on land or ocean area.
Last verified on 02-04-2026
کیمیکل ویدرنگ سب سے زیادہ کہاں ہوتی ہے؟
- Mediterranean region
- Semi-arid region
- Humid tropical region
- None of these
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Explanation
- Chemical weathering is the breakdown of rocks due to chemical reactions.
- It is most active in hot and wet (humid tropical) climates.
- High temperature and rainfall speed up chemical reactions.
- This leads to rapid decomposition of rocks and soil formation.
- Examples include rainforests like Amazon and Congo regions.
Last verified on 02-05-2026
مندرجہ ذیل میں سے سب سے بڑے پیمانے والا نقشہ کون سا ہے؟
- Cadastral map
- Atlas Map
- Wall Map
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- A cadastral map is a large-scale map used for detailed land records.
- It shows individual plots, property boundaries, and ownership details.
- It covers a very small area with high detail.
- Used mainly for land revenue and property management.
Last verified on 02-05-2026
- 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
صحارا میں بڑے ریت کے ٹیلوں کو کیا کہتے ہیں؟
- Ergs
- Wadis
- Regs
- None of these
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Explanation
- Large sand dune fields in deserts are called Ergs.
- They are found mainly in the Sahara Desert.
- Ergs consist of vast areas of shifting sand dunes.
- Formed by strong and continuous wind action.
- They are one of the major desert landforms.
Last verified on 02-05-2026
اسی فیصد سے زیادہ تازہ پانی کہاں پایا جاتا ہے؟
- In lakes and underground
- Along rivers and their tributaries
- In ice caps and glaciers
- None of these
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Explanation
- Most of Earth’s fresh water is stored in ice caps and glaciers.
- Around 68–80%+ freshwater is frozen in polar ice sheets.
- These are mainly found in Antarctica and Greenland.
- Only a small portion is available in rivers and lakes for human use.
- This makes glaciers a major global freshwater reservoir.
Last verified on 02-05-2026
وہ شہر کیا کہلاتا ہے جس کے زیادہ تر رہائشی باہر کام کرتے ہیں؟
- Dormitory
- Industrial town
- Resort town
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- A dormitory town is a residential town where people live but work in other cities.
- Most residents commute daily for jobs to nearby urban centers.
- It mainly serves as a housing area rather than an industrial or business hub.
- Such towns are also called “bedroom communities”.
- Found near large cities with strong transport links.
Last verified on 02-05-2026
بارخان ریت کے ٹیلے کس سے متعلق ہیں؟
- Form when there is an unlimited supply of new sand
- Are crescent-shaped
- Are long ridges of sand
- None of these
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Explanation
- Barchan dunes are crescent-shaped sand dunes formed in deserts.
- They develop where there is limited sand supply and one-direction wind.
- The “horns” of the dune point downwind (wind direction).
- They move slowly as wind pushes sand over them.
- Common in Sahara and other dry desert regions.
Last verified on 02-05-2026
