ALL FPSC PAST PAPERS MCQS OF EVERYDAY SCIENCE 1998 TO 2019
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
پھیپھڑوں کا ایک حصہ ____ ہے؟
- Digestive system
- Respiratory system
- Excretory system
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Lungs are vital organs in the respiratory system that help in gas exchange—taking in oxygen and releasing carbon dioxide.
They work closely with the circulatory system to supply oxygenated blood to the body.
حقیقت میں ، زمین پر آسمان ______ لگتا ہے؟
- Blue
- Green
- Black
- None of these
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Explanation
In space, beyond Earth's atmosphere, the sky actually looks black because there is no air to scatter sunlight.
The blue color we see from Earth is due to Rayleigh scattering in the atmosphere, not the actual color of the sky.
- Mammal
- Fish
- Ruminant
- Sea Monster
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Explanation
Whales are marine mammals.
It belonging to the order Cetacea.
This also includes dolphins and porpoises.
They breathe air, give birth to live young, and produce milk to feed their offspring, like all mammals.
ورزش یا کام کے اچھے معاہدے کے بعد آرام کیوں ضروری ہے؟
- To neutralize poisons that are produced during exercise or work
- To rest the tired limbs
- To give rest to the brain
- None of these
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Explanation
During intense exercise, lactic acid and other metabolic by-products accumulate in the body.
Rest helps the body recover and neutralize these substances, restoring normal function and reducing fatigue.
- An immature action
- Animal action not backed by thinking
- A deliberate action
- None of these
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Explanation
Instinct is a natural, inborn behavior that animals perform without prior learning or conscious thought.
It is often triggered by specific stimuli.
It is automatic and consistent across a species.
خون کا کون سا اجزاء جسم کے تمام حصوں میں کھانے کا سامان لے جاتا ہے؟
- Haemoglobin
- White corpuscles
- Plasma
- None of these
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Explanation
Plasma is the liquid part of blood that transports nutrients, hormones, and waste materials.
It carries digested food materials to all parts of the body for use or storage.
آنکھ کے ریٹنا پر بننے والی تصویر _____ ہے؟
- Real and upright
- Real and inverted
- Virtual and upright
- None of these
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Explanation
The eye lens focuses light to form a real and inverted image on the retina.
The brain then processes this image and interprets it as upright.
ایک فوٹو الیکٹرک سیل ______ کو تبدیل کرتا ہے؟
- Light energy into heat energy
- Electrical energy into light energy
- Light energy into electrical energy
- None of these
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Explanation
A photoelectric cell works on the photoelectric effect, where light strikes a material and releases electrons.
These released electrons generate an electric current, converting light energy into electrical energy.
مندرجہ ذیل میں سے کون سا ایک قابل اعضاء نہیں ہے؟
- Adrenal gland
- Kidney
- Lungs
- None of these
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Explanation
Kidney – Excretory organ (removes nitrogenous wastes like urea).
Lungs – Excretory organ (remove CO₂ and water vapor).
Liver – Excretory organ (breaks down toxins, excretes bile pigments).
Adrenal gland – Not an excretory organ, it produces hormones like adrenaline and cortisol.
آئوڈین کے بھرپور ذرائع ______ ہیں؟
- Seeds
- Green leafy vegetables
- Seafood
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Seafood, especially sea fish and seaweed, are rich in iodine, a mineral vital for thyroid function.
Iodine is naturally present in the ocean, making marine foods the best dietary source.
