PPSC PAST PAPERS ALL MCQS 2023 OF EVERYDAY SCIENCE
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
ہوا کے دباؤ کی پیمائش کرنے والا آلہ کیا کہلاتا ہے؟
Lactometer
Barometer
Thermometer
Hydrometer
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Explanation
The mercury barometer is the oldest type of baromete r .
It was invented by the Italian physicist Evangelista Torricelli in 1643 .
ٹیلی فون کو کس نے ایجاد کیا؟
J.K. Jack
P.Wiliam
A.G.Bell
Peter J
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Explanation
Alexander Graham Bell is often credited with being the inventor of the telephone since he was awarded the first successful patent.
Telephone was invented in 1876 .
Graham Bell made the first-ever telephone call to his partner , Thomas Watson.
agm 15.3.2023
زمین اپنے محور کو _____ سے گھومتی ہے؟
East to West
West to East
North to South
None
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Explanation
All plants move Anticlockwise around Sun
All plants move anticlockwise around their axis .
Earth rotates its axis from West to East
F Jacksin
Einstein
A. Fleming
J.Iqbal
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Explanation
Penicillin was discovered by Alexander Flaming In 1928
Penicillin was the f irst true antibiotic
The first patient Albert Alexander, a 43-year-old policeman , was treated with penicillin on 12 February 1941
Alexander Flaming determined that penicillin had an antibacterial effect and published his findings in 1929
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ND4-672023
پرنٹنگ پریس کس نے ایجاد کیا؟
John Harrison
Johan Gutenberg
Chines
Lizlo Biro
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Explanation
Johan Gutenberg , a German inventor, is credited with inventing the movable-type printing press around 1440 .
It revolutionized the production of books and the spread of knowledge in Europe .
آنکھوں اور متعلقہ بیماریوں سے نمٹنے والی طب کی ایک شاخ کو کیا کہا جاتا ہے؟
Ophthalmology
Obstetrics
Physiology
Hematology
None of these
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Explanation
Ophthalmology is a branch of medical science dealing with the structure, functions, and diseases of the eye.
Ophthalmology means امراض چشم
کووڈ-19 _____ کی وجہ سے ہے؟
Injection
Virus
Bacteria
Mosquito
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Explanation
COVID-19 is caused by a virus , specifically the SARS-CoV-2 virus.
The first infections with SARS-CoV-2 appeared in Wuhan in 2019.
نوزائیدہ بچے کی ہڈیوں کی تعداد کتنی ہوتی ہے؟
206
250
300
360
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Explanation
A newborn infant has about 300 bones. It fuse to form the 206 bones typical in adults. The human skull has 22 bones. The hand contains 27 bones.
مندرجہ ذیل میں سے کون سا ویکٹر کی مقدار نہیں ہے؟
Work
Acceleration
Distance
Both A and C
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Explanation
Work and distance are scalar quantities because they have magnitude but no direction, but they are not vector quantities.
Vector Quantities: Velocity, momentum, torque, acceleration.
Scalar Quantities: Work, distance, speed, mass.
Methane
Oxygen
Nitrogen
Hydrogen
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Explanation
Over the first 20 years after entering the atmosphere, methane has more than 80 times the warming power of carbon dioxide.
Despite the fact that CO2 has a longer-lasting effect, methane accelerates warming in the short term.