GENERAL SCIENCE
MCQ Question with Answers Class 1 to 12 in Pdf
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
آئی سی ٹی کا مطلب کیا ہے؟
Information and communication techniques
Internet and communcation television
Internet communication tool
Information and communication technology
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Explanation
ICT is a term for information technology that stresses the role of unified communications and the integration of telecommunications.
ICT stands for Information and communications technology
Insulated Cable
Intelligent Chip
Integrated Circuit
Internal Component
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Explanation
An Integrated Circuit (IC) is a tiny electronic device that contains a large number of electronic components. Such as transistors, diodes, and resistors, on a single piece of semiconductor material , like silicon. It's a crucial component in modern electronics!
مندرجہ ذیل میں سے کون فلو کا سبب بن سکتا ہے؟
Bacteria
Virus
Plant
Fungi
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Explanation
The flu is caused by an influenza virus
Flu Risk Factors · chronic lung diseases such as asthma
ND2-03-2023
درج ذیل میں سے کون سے جانور گرم خون والے ہیں؟
Birds
Reptiles
Fish
Amphibians
All of these
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Explanation
Elephants, bears, chickens, monkeys, cows, wolf, birds, etc. are warm blooded animals
Warm blooded means گرم خون والا
توانائی کی ایس۔آءِ یونٹ کیا ہے؟
Kelvin
Joule
Temperature
Mole
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Explanation
The SI unit of energy is the Joule (J). It is the unit of energy, work, and heat.
Newton
Joule
Watt
Metre
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Explanation
The SI unit of force is the Newton, symbol N.
The base units relevant to force are:
The metre, unit of length — symbol m The kilogram, unit of mass — symbol kg The second, unit of time — symbol s
اوزون کی تہہ ہمیں سورج کے نقصان دہ _______ سے بچاتی ہے۔
Heat
Cold
Ultraviolet rays
None of these
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Explanation
The s tratospheric ozone layer is Earth's “ sunscreen ” protecting living things from too much ultraviolet radiation from the sun.
Oxygen layer in the atmosphere
Ozone protects us from the harmful ultraviolet radiation of the sun.
Ozone formula : O3
The ozone layer lies approximately 15-40 kilometers (10-25 miles) above the Earth's surface, in the stratosphere.
The ozone layer is depleting : Air pollution
ND17-7-2023
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RY4-12-2022
درجہ حرارت کی پیمائش کے لیے استعمال ہونے والا آلہ کیا کہلاتا ہے؟
Barometer
Hygrometer
Thermometer
Spectrometer
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Explanation
Thermometer is the instrument used to measure temperature. It is a device that measures the temperature of a substance or environment, typically consisting of a glass tube filled with a liquid that expands or contracts in response to changes in temperature.
ہوا میں آکسیجن کا فیصد _____ ہے؟
20.94%
21.94%
22.94%
25.7%
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Explanation
The percentage of Oxygen in the air is: 21.94% *** The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts lots of other gases, too, such as carbon dioxide, neon, and hydrogen. *** Without oxygen, brain damage is likely afte r 04-05 mins. Joseph Priestly discovered oxygen on August 1, 1774. The most abundant element in the Earth's crust is oxygen , making up 46.6% of Earth's mass
وٹامن اے کی کمی کا کیا سبب ہے؟
Scurvy
Night Blindness
Rickets
Beriberi
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Explanation
Vitamin A deficiency can cause Night Blindness.
As well as other health problems such as:
Dry skin and eyes Impaired immune function Poor wound healing Increased risk of respiratory and urinary tract infections