PPSC ALL MCQS 2026
پیپر میں جانے سے
پہلے یہ سوالات و سلیبس ایک بار ضرور پڑھ کر جائیں
PPSC 25
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
سیڈیمینٹیشن کس بنیادی عمل کا حصہ ہے؟
Water
Air
Soil
Rocks
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Explanation
Sedimentation is the process where solid particles settle at the bottom of a liquid.
It is a primary method in water treatment.
Sedimentation removes suspended solids from water.
It helps in clarifying wat er before filtration.
This process is essential for providing clean drinking water.
خشک سالی کی وجہ سے جنگلات میں آگ لگنے کا سبب کیا بن سکتی ہے؟
Reduced rainfall
Dry vegetation
High temperatures
All of these
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Explanation
Drought causes reduced rainfall, drying out soil and plants.
Dry vegetation becomes highl y flammable, increasing wildfire risk.
High temperatures further intensify fire outbreaks.
These factors together make wildfires more frequent and severe.
Therefore, drought-induced wildfires occur due to all of these factors
خشک سالی کی وجہ سے جنگلات میں آگ لگنے کا سبب کیا بن سکتی ہے؟
Reduced rainfall
Dry vegetation
High temperatures
All of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Drought causes reduced rainfall, drying out soil and plants.
Dry vegetation becomes highl y flammable, increasing wildfire risk.
High temperatures further intensify fire outbreaks.
These factors together make wildfires more frequent and severe.
Therefore, drought-induced wildfires occur due to all of these factors
رائبوسومز کی فیکٹری کیا کہلاتی ہے؟
Nucleolus
Nucleus
Mitochondria
Endoplasmic Reticulum
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Explanation
The nucleolus is known as the factory of ribosomes .
The nucleolus is a dense region inside the nucleus.
It is responsible for producing ribosomal RNA (rRNA).
Ribosomes are assembled in the nucleolus before entering the cytoplasm.
Ribosomes play a key role in protein synthesis.
Tin
Aluminum
Zinc
Chromium
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Explanation
Steel cans are coated with tin to prevent rusting and corrosion.
Tin provides a protective layer between steel and the beverage.
This ensures the drink remains safe and hygienic.
بلوچستان اور سندھ کے ساحلی علاقے میں بنیادی صنعت کون سی ہے؟
Fishing
Shipping
Tourism
Mining
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Explanation
The primary industry along the coastline of Balochistan and Sindh is fisheries.
The fishing industry plays a significant part in the national economy of Pakistan.
With a coastline of about 650 miles (1,046 km),
AUG
UAA
UAG
GGG
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Explanation
AUG is the start codon in mRNA that signals th e beginning of protein synthesis.
It codes for the amino acid Methionine in eukaryotes.
During translation, ribosomes recognize AUG to initiate protein assembly.
Stop codons like UAA, UAG, and UGA signal the end of translation.
A∩B=∅
A∪B=∅
A=B
A⊂B
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Explanation
Mutually exclusive events cannot happen at the same time.
This means their intersection is empty:A cap B = varnothing A ∩ B = ∅ .
The union A ∪ B represents all outcomes in A or B, which is not empty.
Such events are commonly used in probability calculations.
Therefore, the correct propert y is A ∩ B = ∅ , not A ∪ B = ∅ .
فرم ویئر ۔۔۔ ہے جس میں کمپیوٹر کی اسٹارٹ اپ ہدایات ہوتی ہیں۔
POST
BIOS
CMOS
DIOS
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Explanation
The BIOS (Basic Input/Output System) is firmware that contains a computer's startup instructions.
It resides on a motherboard chip, initializes hardware, and performs a power-on self-test (POST) to ensure components function properly before loading the operating system.
کوارٹج کا کیمیائی نام کیا ہے
Silicon dioxide
Stannous oxide
Aluminum oxide
None of these
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Explanation
The chemical name for quartz is silicon dioxide
Chemical Formula: SiO₂
Composition: Silicon (Si) and Oxygen (O)
Structure: A framework of silicon-oxygen tetrahedra
Common Names: Silica, Rock Crystal (for the clear variety)