PST 5 YEARS PAST PAPERS PDF
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- 1 : 2
- 2 : 1
- 1 : 1
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Divide both numbers by their greatest common divisor (GCD = 80):
160 ÷ 80 = 2, 80 ÷ 80 = 1 → Ratio = 2 : 1.
Last verified on 15-03-2026
کون سا صوبہ "پانچ دریاؤں کی زمین" کے نام سے جانا جاتا ہے؟
- Sindh
- Punjab
- Khyber Pakhtunkhwa
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Punjab, Pakistan is called the "Land of Five Rivers".
- Because five major rivers—Jhelum, Chenab, Ravi, Beas, Sutlej—flow through it.
Additional information:
There are a total of 24 rivers flowing through Pakistan.
- 8 rivers flow in KPK
- 5 in Punjab
- 4 in Sindh
- 7 in Balochistan
Last verified on 15-03-2026
- Barren
- Fruitful
- Dry
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Fertile means capable of producing crops, plants, or offspring.
- Fertile means فصلیں، پودے، یا اولاد پیدا کرنے کے قابل
- Fruitful means پھل دار
Last verified on 15-03-2026
- Problem
- Stress
- Peace
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Trouble means problems or difficulties.
So its opposite is peace, indicating calmness and absence of problems.
- Trouble means مسائل یا مشکلات
- Peace means پرسکون اور مسائل کی غیر موجودگی
Last verified on 15-03-2026
- 15
- 64
- 7
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
64 is a perfect square (8² = 64)
Last verified on 10-02-2026
کسی جسم پر زمین کے کشش ثقل کی وجہ سے لگنے والی قوت کو کیا کہتے ہیں؟
- Weight
- Mass
- Inertia
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Weight is the force exerted on an object due to gravity.
- It depends on both the mass of the object and the acceleration due to gravity (g ≈ 9.8 m/s²).
- Weight (W) = Mass (m) × g
Last verified on 15-03-2026
بجلی کے بلب کا فلیمنٹ کس چیز سے بنا ہوتا ہے؟
- Iron
- Tungsten
- Nichrome
- Graphite
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The filament of an electric bulb is made of Tungsten.
- Because it has a very high melting point (~3422°C).
- It can glow brightly without melting.
- Tungsten provides efficient and long-lasting light in incandescent bulbs.
Last verified on 15-03-2026
کون سی لائن ایلیمینٹری کینال کی صحیح ترتیب کو ظاہر کرتی ہے؟
- Mouth → Stomach → Oesophagus → Small Intestine
- Mouth → Oesophagus → Stomach → Small Intestine
- Mouth → Small Intestine → Stomach → Oesophagus
- Mouth → Stomach → Small Intestine → Oesophagus
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The correct order of the alimentary canal, also known as the gastrointestinal (GI) tract:
- Mouth: Food enters the mouth, where it's chewed and mixed with saliva.
- Oesophagus: Food passes through the oesophagus, a muscular tube that transports it to the stomach.
- Stomach: The stomach secretes gastric juices to digest proteins and fats.
- Small Intestine: Nutrient absorption occurs in the small intestine, where specialized structures like villi and microvilli increase the surface area.
Last verified on 15-03-2026
سن 2020 میں بھارت میں کورونا وائرس کی کون سی قسم پائی گئی تھی؟
- Delta
- Gamma
- Beta
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- First detected: October 2020, India
- WHO designation: Delta variant (Variant of Concern)
- Contagion rate: Higher than original SARS-CoV-2
- Vaccines effective: Pfizer-BioNTech, Moderna, AstraZeneca
- Global spread: Over 100 countries by mid-2021
Last verified on 15-03-2026
بیکنگ سوڈا بیٹر (گوندھے ہوئے آمیزے) کو نرم کرنے کے لیے کون سی گیس پیدا کرتا ہے؟
- CO₂
- H₂
- O₂
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Baking soda releases carbon dioxide (CO₂) gas when it reacts with an acid or heat.
- The CO₂ bubbles expand in the batter, making it soft, fluffy, and porous during baking.
- Chemical formula of baking soda: NaHCO₃ (Sodium bicarbonate).
Last verified on 15-03-2026
