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۔
زمین کی سطح پر پانی ______ رقبہ کا احاطہ کرتا ہے۔
- 50%
- 60%
- 70%
- 80%
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Explanation
- On Earth, surface water covers 70% area.
- 70-71 percent of the Earth's surface is water-covered.
- The oceans hold about 96.5 percent of all Earth's water.
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- This includes oceans, rivers, lakes, glaciers, and groundwater.
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.
انسانی جسم کی سب سے لمبی اور سب سے مضبوط ہڈی کون سا ہے؟
- Femur
- Stapes
- Tibia
- Femur
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Explanation
The longest bone is the Femur (thigh bone) and the shortest one is the Stapes (one of the 3 small bones inside the ear).
The largest and broadest is the hip bone or pelvis.
The lowest part of the backbone called the sacrum
The smallest bone is the stirrup (stapes)
The strongest bone for its size is the lower jaw or mandible.
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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
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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.
گرمی کا ایس آئی یونٹ _____ ہے؟
- Watt
- Volt
- Joule
- None of these
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Explanation
The SI unit of heat is the joule (J).
Heat is a form of energy.
The joule is the standard unit for energy in the International System of Units (SI).
For instance, 1 joule of heat is the energy required to raise the temperature of 1 gram of water by 0.24°C.
نیوٹران کس نے دریافت کیا؟
- Rutherford
- Thomson
- J Perrin
- Chadwick
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Explanation
The British physicist Sir James Chadwick discovered neutrons in the year 1932.
He was awarded the Nobel Prize in Physics in the year 1935 for this discovery.
- Proteins
- Fat
- Calories
- None of these
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Explanation
The energy value of food is most commonly measured in kilocalories (kcal),
Which are also commonly referred to as "Calories".
چارج کا ایس آئی یونٹ ________ ہے؟
- Ohm
- Coulomb
- Ampere
- None of these
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Explanation
The coulomb, also written as its abbreviation 'C', is the SI unit for electric charge.
One coulomb is equal to the amount of charge from a current of one ampere flowing for one second.
One coulomb is equal to the charge on 6.241 x 1018 protons.
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