ALL FPSC PAST PAPERS MCQS OF EVERYDAY SCIENCE 1998 TO 2019
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
Copper and Nikal
Copper and Tin
Copper and Steel
None of these
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Explanation
Bronze is mainly made of copper with about 12–12.5% tin as the primary additive. It is stronger and harder than pure copper, making it useful for tools, weapons, and sculptures.
تیزاب بارش بنیادی طور پر ______ کے اخراج کی وجہ سے ہوتی ہے؟
Sulfur dioxide and potassium niterate
Sulfur dioxide and Nitrogen oxide in atmosphere
Both A and B
None of these
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Explanation
Acid rain is mainly caused by emissions of Sulfur dioxide and Nitrogen oxide in the atmosphere.
Acid rain mainly Causes health problem like Asthma.
ایٹم بم کن اصولوں پر مبنی ہے
Radioactivity
Nuclear Fission
Nuclear Fusion
Both A & B
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Explanation
An atomic bomb is based on the nuclear reaction known as nuclear fission,
A heavy atomic nucleus splits into two or more lighter nuclei, releasing a large amount of energy in an uncontrolled chain reaction.
The bombs dropped on Hiroshima and Nagasaki were examples of nuclear fission bombs , utilizing uranium-235 or plutonium-239 as the fissionable material.
بنیادی رنگ کون سے ہوتے ہیں؟
Blue, green, yellow
Yellow, Red, Blue
Red, blue, green
Red, blue, orange
None of these
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Explanation
Three Primary Colors:
Three Secondary Colors:
Six Tertiary Colors:
Red-Orange, Yellow-Orange, Yellow-Green, Blue-Green, Blue-Violet, Red-Violet
Insect
Microorganism
Animal
None of these
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Explanation
Bacteria are single-celled microorganisms that can exist in various environments, including the human body .
They can be both beneficial (like in digestion ) or harmful ( causing infections ).
زمین کی سطح پر پانی ______ رقبہ کا احاطہ کرتا ہے۔
50%
60%
71%
80%
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Explanation
Water covers approximately 71% of the Earth's surface. Additional information
Land Coverage: The remaining 29% of the Earth's surface consists of land, i ncluding continents and islands. Water Distribution: About 96.5% of Earth's water is held i n the global oceans as saltwater
سمندر کے پانی کو کس عمل سے پاک کیا جا سکتا ہے؟
Distillation
Evaporation
Filtration
Fractional distillation
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Explanation
Distillation is the process of heating sea water to produce steam and then condensing it back into liquid form, leaving impurities behind. This method effectively removes salts and other contaminants , making the water safe for use.
مرکزی نیوکلئس والے ایٹم کا تصور _____ کے ذریعہ متعارف کرایا گیا تھا؟
Rutherford
Bohr
J. J. Thomson
None of these
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Explanation
Ernest Rutherford (1911) proposed the nuclear model of the atom with a dense central nucleus .
This came after his gold foil experiment , which showed atoms have a small, positively charged core.
He was a New Zealand-born British physicist who came to be known as the father of nuclear physics .
فتوسنتھیس میں آکسیجن کا ذریعہ کیا ہے؟
Water
Salt
Mineral
None of these
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Explanation
During photosynthesis, plants use water (H2O) along with carbon dioxide (CO2) to produce glucose and oxygen.
The oxygen released comes specifically from the water molecule.
Being split apart to provide the oxygen atoms needed for the glucose molecule.
اعصابی نظام کے مطالعہ اور اس کی خرابی کو کیا کہتے ہیں؟
Herpetology
Neurology
Urology
Hematology
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The study of the nervous system and its disorders is called neurology .
Neurologists diagnose and treat conditions related to the brain, spinal cord, and nerves.
