PPSC PAST PAPERS ALL MCQS 2025 OF EVERYDAY SCIENCE
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
وہ نظریہ جو کہتا ہے کہ کائنات میں خالی جگہ کو پر کرنے کے لیے ہمیشہ نئی مادہ پیدا ہوتی رہتی ہے، اسے کہا جاتا ہے
- Big Bang
- Steady State
- Hubble’s Theory
- Black Hole
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The Steady State theory proposes that the universe has no beginning or end in time.
It suggests that as the universe expands, new matter is continuously created to maintain a constant density.
This theory was proposed by Fred Hoyle, Thomas Gold, and Hermann Bondi in 1948
کون سا سیارہ سورج کے گرد ایک چکر مکمل کرنے میں سب سے زیادہ وقت لیتا ہے؟
- Neptune
- Mars
- Jupiter
- Earth
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Explanation
Neptune is the eighth and farthest planet from the Sun in our solar system.
It takes approximately 165 Earth years to complete one orbit around the Sun.
- Neptune: ~165 Earth years
- Uranus: ~84 Earth years
- Saturn: ~29.5 Earth years
- Jupiter: ~12 Earth years
- Mars: ~687 Earth days (1.88 years)
- Earth: 365.25 days
- Venus: ~225 Earth days
- Mercury: ~88 Earth days
پیڈیاٹرکس کس سے متعلق ہے؟
- Children
- Pregnant women
- Old people
- Bones
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Explanation
Paediatrics is the branch of medicine that deals with the health and medical care of children.
It covers newborns, infants, children, and adolescents.
سورج کی سب سے بیرونی تہہ کو کیا کہتے ہیں؟
- Fotofera
- Corona
- Core
- Cromosfera
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Explanation
The outermost layer of the Sun is called the corona.
It is the Sun's outer atmosphere, extending millions of kilometers into space and visible during a total solar eclipse.
The innermost layer is the core, where nuclear fusion occurs.
پیس میکر کیا کام کرتا ہے؟
- It decreases the heart beat
- It increases the heart beat
- It regulates the heart beat
- None of these
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Explanation
A pacemaker is a small device implanted in the chest.
Its main function is to regulate the heartbeat.
ماسلو کی نیڈ ہائرارکی تھیوری کس سے متعلق ہے؟
- Communication
- Leadership
- Motivation
- None of these
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Explanation
Maslow's Hierarchy of Needs theory relates primarily to human motivation
It suggests that human needs are arranged in a pyramid from basic to higher-order needs.
The levels include physiological, safety, social, esteem, and self-actualization.
دودھ میں موجود شوگر کون سا ہے؟
- Glucose
- Fructose
- Lactose
- None of these
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Explanation
- Lactose is a disaccharide made of glucose + galactose.
- Provides energy and helps in calcium absorption.
Additional information:
- Some people have lactose intolerance, meaning they cannot digest lactose properly.
- Found in milk, cheese, and other dairy products.
Last verified on 17-01-2026
مندرجہ ذیل میں سے سب سے کم آلودگی پیدا کرنے والا ایندھن کون سا ہے؟
- Diesel
- Petrol
- Natural gas
- Coal
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Explanation
- Natural gas produces less carbon dioxide, sulfur oxides, and particulate matter.
- It is considered a cleaner fossil fuel.
Additional information:
- Coal is the most pollutant.
- Coal producing high levels of smoke and harmful gases.
- Diesel emits more particulates and nitrogen oxides than petrol.
Last verified on 17-01-2026
ایچ پی پروسیسنگ پھلوں اور سبزیوں کا کیا مطلب ہے؟
- High performance
- High pressure
- High process
- None of these
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Explanation
HP processing of fruit and vegetables mean high pressure.
Additional information:
- Preserves taste, color, and nutrients better than traditional heat methods.
- Used in juices, smoothies, and ready-to-eat foods.
- Also called High-Pressure Processing (HPP).
- It is chemical-free and safe for extending shelf life.
Last verified on 17-01-2026
وٹامن بی 6 کو اور کس نام سے جانا جاتا ہے؟
- Pyridoxine
- Thoride
- Retinol
- None of these
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Explanation
Vitamin B6 is also called Pyridoxine.
Additional information:
- Vitamin B6 helps in amino acid metabolism.
- It supports brain development and immune function.
- Deficiency may cause anemia, skin disorders, and nerve problems.
Last verified on 17-01-2026