GENERAL SCIENCE CLASS 10 MCQS
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
انسانی جسم کا سب سے بڑا عضو ______ ہے؟
Skin
Digestive tract
Liver
Brain
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Explanation
The skin is considered the largest organ of the human body.
It covering an area of about 1.5-2 square meters (16-22 square feet).
It weighing around 3-4 kilograms (7-9 pounds).
وٹامن ڈی کی کمی کے نتیجے میں کیا ہوتا ہے؟
Beriberi
Night Blindness
Scurvy
Rickets
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Explanation
Vitamin D deficiency can cause Rickets , a disease characterized by:
Soft and weak bones Skeletal deformities Stunted growth Increased risk of fractures
عام انسانی کان کی قابل سماعت حد ____ ہے؟
16 Hz to 20kHz
10 Hz to 31kHz
67 Hz to 45kHz
20 Hz to 20kHz
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Explanation
The audible range of a normal human ear is typically considered to be between 20 Hz (very low frequency) and 20,000 Hz (very high frequency). This range encompasses the vast majority of sounds that humans can perceive, from the lowest rumble to the highest pitch.
مندرجہ ذیل میں سے کون سی گلوبل وارمنگ کی وجہ ہے؟
Presence of sulphite
Rise in CO2 concentration
Oxides of nitrogen
Formtion of ozone
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Explanation
Global warming is primarily caused by the increasing levels of carbon dioxide (CO2) in the Earth's atmosphere , which traps heat and leads to a warming effect.
The main reason for this increase is human activities such as :
Burning fossil fuels like coal, oil, and gas Deforestation and land-use changes
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
یو ایس بی کا مطلب ______ ہے؟
Universal serial Bussiness
Universal Serial Bus
Universal Secondary Bus
Unary Serial Bus
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Explanation
A Universal Serial Bus (USB) flash drive is a data storage device
Universal Serial Bus (USB) includes flash memory with an integrated USB interface
USB was invented by Ajay Bhatt in 1995
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زمین کے ماحول کی دوسری بلند ترین تہہ ______ ہے؟
Troposphere
Stratosphere
Mesosphere
Thermosphere
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Explanation
The stratosphere is the second layer of Earth's atmosphere as you go upwards, lying above the troposphere and below the mesosphere.
The layers of the Earth's atmosphere , in order from the surface, are:
Troposphere (up to about 12 km/7.5 miles) Stratosphere (up to about 50 km/31 miles) Mesosphere (up to about 85 km/53 miles) Thermosphere (up to about 600 km/373 miles)
وہ کمپیوٹر پروگرام جو ایک وقت میں ایک پروگرام کی ہدایات کا مشینی زبان میں ترجمہ کرتا ہے ____ کہلاتا ہے؟
Interpreter
Compiler
CPU
Interpreter
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Explanation
A computer program that translates one program's instructions at a time into machine language is called an Interpreter .
A compiler is a special program that translates a programming language's source code into machine code, bytecode or another programming language.
Examples of interpreted languages are JavaScript, Python, Perl, etc.
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اوزون ایک گیس ہے جو ____ تہہ میں پائی جاتی ہے؟
Troposphere
Mesosphere
Stratosphere
Exosphere
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Explanation
Ozone (O3) is a gas found in the stratosphere.
A stratosphere layer of the atmosphere that extends from about 12 to 50 kilometers (7.5 to 31 miles) above the Earth's surface.
The ozone layer, also known as the ozonosphere.
کم نظری کی خرابی کو کیا پہن کر درست کیا جا سکتا ہے؟
Convex Lens
Concave Lens
Prism Lens
Cylindrical Lens
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Explanation
Short-sightedness (myopia) can be corrected by wearing a concave lens. It is thinner in the center than at the edges. This lens disperses light rays, allowing them to focus correctly on the retina.