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۔
ڈیموگرافک ٹرانزیشن کا تصور کس نے شروع کیا؟
- Trewartha
- Notestein
- Sadler
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The concept of Demographic Transition Theory (DTT) was developed by Frank W. Notestein.
- He introduced it in the 1940s.
- It explains population change from high birth & death rates to low birth & death rates.
- It is widely used in population geography and economics.
- The model describes development stages of societies.
Last verified on 01-05-2026
لوکیشن ٹرائی اینگل کا تصور کس نے پیش کیا؟
- Weber
- D.M. Smith
- Palander
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The concept of Location Triangle was introduced by Alfred Weber.
- He is known for Industrial Location Theory.
- It explains the best location for industry based on transport costs and raw materials.
- The triangle includes raw material source, market, and production site.
- It helps minimize industrial cost and maximize profit.
Last verified on 01-05-2026
مندرجہ ذیل میں سے کون سا اوورلے طریقہ استعمال کیا جائے گا تاکہ جنگل کے اندر سڑک کی لمبائی معلوم کی جا سکے؟
- Line-in-polygon
- Point-in-polygon
- Union
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Line-in-polygon overlay is used when a line feature (road) intersects a polygon (forest area).
- It helps calculate the portion or length of a line inside a polygon.
- In this case, roads are line features and forests are polygon features.
- So we use line-in-polygon analysis to measure road length within forest boundaries.
- It is widely used in GIS spatial analysis.
Last verified on 01-05-2026
- The process of coordinating map points
- The process of matching two adjacent map sheets
- Stretching map coordinates to fit a series of known control points
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Rubber sheeting is a map adjustment technique.
- It warps or stretches map coordinates to match known control points.
- Used in GIS (Geographic Information Systems) for accuracy correction.
- Helps align old or distorted maps with real-world data.
- Common in cartography and spatial analysis.
Last verified on 01-05-2026
لفظ فیکنڈیٹی کا کیا مطلب ہے؟
- Birth rate
- Capacity to reproduce
- Fertility rate
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Fecundity refers to the reproductive capacity of an organism.
- It shows how many offspring an organism can potentially produce.
- It is a biological measure of reproduction potential, not actual birth rate.
- Used in ecology and population studies.
- Higher fecundity means greater ability to produce offspring.
Last verified on 01-05-2026
لفظ 'تائیگا' کا کیا مطلب ہے؟
- Unexplained forest
- Coniferous trees
- Evergreen forest
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Taiga is a cold forest region in the northern hemisphere.
- The term “Taiga” is commonly used for coniferous forest zone.
- It is dominated by pine, fir, and spruce trees.
- Found in Canada, Russia, and Scandinavia.
- It is also called the boreal forest.
Last verified on 01-05-2026
ترتیب وار میں کمیونٹیز کی زنجیر میں ہر کمیونٹی کو کیا کہا جاتا ہے؟
- Step
- Climax
- Sere
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- In ecological succession, a series of communities develops step by step.
- Each intermediate community stage is called a Sere.
- A sere represents a transitional community in succession.
- The final stable stage is called the climax community.
- Succession continues until a stable ecosystem is formed.
Last verified 01-05-2026
پودوں کی سب سے بڑی اکائی جس میں نہ صرف زندگی کی شکل بلکہ ماحول سے مطابقت بھی یکساں ہو، کیا کہلاتی ہے؟
- A forest
- A biochore
- Biome
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- A biome is the largest unit of vegetation.
- It includes plants and animals adapted to a specific climate and environment.
- It shows uniformity in life forms and ecological conditions.
- Examples include desert, tundra, tropical rainforest, grassland.
- Biomes are controlled mainly by climate factors (temperature and rainfall).
Last verified on 01-05-2026
مندرجہ ذیل میں سے کون سی مثال سیاروی ہواؤں میں خلل کی ہے؟
- Trade winds
- Horse latitude
- Monsoon winds
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Monsoon winds are seasonal winds that disrupt the normal planetary wind system.
- Planetary winds are permanent global winds (Trade, Westerlies, Polar).
- Monsoons change direction due to seasonal heating of land and sea.
- They are not part of the regular global wind belts.
- Therefore, they represent an interruption in the planetary wind system.
Last verified on 01-05-2026
"آئی ٹی سی زیڈ کن ہواؤں کے ملاپ سے بنتا ہے؟
- Westerlies and Polar Easterlies
- NE and SE Trades
- NE and SW Trades
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The Intertropical Convergence Zone (ITCZ) is where trade winds meet.
- It is formed by the convergence of Northeast Trade Winds and Southeast Trade Winds.
- Located near the equator (0° latitude).
- This region has low pressure and heavy rainfall.
- It shifts north and south with the seasons.
Last verified on 01-05-2026
