PPSC PAST PAPERS MCQS 2004 TO 2020 OF EVERYDAY SCIENCE
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
جی پی ایس کا مخفف کیا ہے؟
Google positing system
Global positioning system
Global positioning station
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
GPS is an abbreviation of Global positioning system
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The Global Positioning System, originally Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force.
The GPS (Global Positioning System) is a "constellation" of 31 well-spaced satellites that orbit the Earth
Coverage: Global
Cost: $12 billion; (initial constellation); $750 million per year; (operating cost)
First launch: February 22, 1978; 44 years ago
Orbital height: 20,180 km (12,540 mi)
Regime(s): 6 MEO planes
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کائنات میں سب سے زیادہ پایا جانے والا عنصر کونسا ہیں؟
Oxygen
Helium
Hydrogen
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Hydrogen is the most abundant element in the universe .
it is about 75 percent of its normal matter and w as created in the Big Bang.
Additional information:
Oxygen is the most abundant element in the earth`s crust.
Calcium is the most abundant mineral in the human body,
AGM 02.05.2023
قرار داد مقاصد کب منظور ہوئی؟
12 March 1947
12 March 1948
12 March 1949
None of these
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Explanation
The Constituent Assemb Pakistan adopted the Objectives Resolution on March 12, 1949 .
Prime Minister, Liaquat Ali Khan , had presented it in the assembly on March 7, 1949
Out of 75 members of the assembly , 21 voted for it.
All the amendments proposed by minority members were reject
Consequently, all ten of them voted against it.
The resolution, in its entirety , has been made part of the Constitution of Pakistan under Article 2(A).
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انسانی آبادی کا شماریاتی مطالعہ کیا کہلاتا ہے؟
Biography
Demography
Pedology
None of these
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Explanation
Demography is the statistical study of the human population, including aspects such as size, structure, distribution, and dynamics.
It examines factors like birth and death rates, migration, age, sex, and occupation , among others.
انسانی آبادی کا شماریاتی مطالعہ ڈیموگرافی کہلاتا ہے۔
انسانی جسم میں سب سے بڑا غدود کون سا ہے؟
Thyroid
Liver
Pancreas
None of these
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Explanation
The liver is the largest gland in the human body. It is situated in the right upper quadrant of the abdomen , beneath the diaphragm , and above the stomach . The liver is reddish-brown . It is weighs approximately 1.5 kg . Additional information The pineal gland is the smallest gland. It about the size of a grain of rice . It weighs approximately 150 mg. It is part of the endocrine system.
پانی کو صاف کرنے کے لیے کون سا کیمیکل استعمال ہوتا ہے؟
Chlorine
Florine
Iodine
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Chlorine is a strong oxidant that rapidly kills many harmful microorganisms.
Chlorine is a toxic gas.
ملیریا کی وجہ کس نے دریافت کی؟
Edward Jenner
Alexander Fleming
Ronald Ross
None of these
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Explanation
The discoverer of the cause of Malaria is Ronald Ross
Alphonse Laveran, a French army doctor , described the malarial parasite--
And proposed that it caused malaria in 1880 .
280,000 km/s
300,000 km/s
320,000 km/s
None of the above
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Explanation
Light travels at a speed of approximately 300,000 kilometers per second in a vacuum.
This is the speed at which electromagnetic waves , including light, propagate through space.
غیر منقولہ جسم کے ساتھ کیڑے میں ______ شامل ہے؟
Earthworm
Tapeworm
Flatworm
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Flatworms (phylum Platyhelminthes ) have unsegmented , flat bodies.
Earthworms and tapeworms have segmented bodies.
مادے کی چوتھی حالت ___ ہے؟
Plasma
Steam
Gas
Matteroid
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Plasma is the fourth state of matter, following solids, liquids, and gases. It consists of ionized gases with equal numbers of positively and negatively charged particles.