BASICS OF EVERY DAY SCIENCE EDS
Basics of Every Day Science EDS
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
گلوبل وارمنگ کے دوران ، کاربن ڈائی آکسائیڈ کی فیصد ______ ہے؟
Remained unchanged
Reduced in atmosphere
Increased in atmosphere
None of these
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Explanation
Global warming is caused by rising CO₂ levels due to fossil fuel burning, deforestation, and industrial activities . Higher CO₂ concentration traps heat in the atmosphere, leading to climate change.
لہر کے دو سروں یا گرتوں کے درمیان فاصلہ ______ کہلاتا ہے؟
Frequency
Amplitude
Velocity
Wavelength
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Explanation
Wavelength is the distance between two consecutive points on a wave that are in phase with each other. Such as two crests or two troughs.
مندرجہ ذیل میں سے کون سا پانی کے ساتھ کمزور الیکٹرولائٹ محلول بناتا ہے؟
CH₃COOH
H₂SO₄
NaCl
None of these
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Explanation
Acetic acid (CH3COOH) is a weak acid that only partially dissociates in water, forming a weak electrolyte solution.
It does not fully dissociate into ions like strong acids (like HCl) or strong bases (like KOH).
مندرجہ ذیل میں سے کون سا سب سے زیادہ تباہ کن ہے؟
Typhoon
Tornado
Cyclone
None of these
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Explanation
Typhoons are large, powerful tropical cyclones with sustained winds exceeding 74 mph, causing widespread destruction . They often bring heavy rainfall, storm surges, and flooding , impacting large areas and populations.
ذیابیطس کا مریض آزادانہ طور پر کون سا پھل کھا سکتا ہے؟
Apple
Banana
Orange
None of these
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Explanation
Apples have a low glycemic index (GI) and are rich in fiber .
It helps regulate blood sugar levels .
They are a healthier fruit option for diabetics compared to high-sugar fruits like bananas or mangoes .
کون سا جانور پانی کے بغیر طویل ترین زندگی گزار سکتا ہے؟
Elephant
Cat
Rat
Camel
Dog
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Explanation
Camels can survive up to 15 days without water.
One of the reasons that camels can survive that long is because of their humps .
Camel means اونٹ
دباؤ کی ایس آئی یونٹ کیا ہے؟
Henry
Pascal
Joule
None of these
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Explanation
The SI unit of pressure is Pascal (represented as Pa)
in SI base units, one kilogram per meter per second squared (N/m2 or kg m-1s-2)
Definition of Pressure: Pressure can be defined as the force acting per unit area.
***
The SI unit of energy/work is the joule (J)
The SI unit of charge is Coulomb
The Pascal is the SI-derived unit of pressure
The ampere, symbol A , is the SI unit of electric current.
The SI unit of power is the watt, one joule per second.
The SI unit of electric resistance is the ohm (Ω).
The SI unit of temperature as per the International System of Units is Kelvin
Unit of torque: newton metre ( N m )
The SI unit of velocity is a meter per second (m/s).
The SI unit of acceleration is meters/second2 (m/s2)
ND23-9-2023
زمین کس زاویہ پر جھکی ہوئی ہے؟
23.5°
23.0°
23.08°
24.30°
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Explanation
The Earth is tilted at an angle of 23.5 degrees . This tilt is responsible for the changing of the seasons and the difference in the amount of sunlight reaching a given point on the surface during the course of a year. The tilt varies between 22.1 and 24.5 degrees in a cycle that averages about 40,000 years.
جامنی بنانے کے لیے کون سے دو بنیادی رنگوں کو ملایا جاتا ہے؟
Red and green
Red and blue
Red and yellow
None of these
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Explanation
Purple is created by mixing the primary colors red and blue . This combination results in a secondary color on the color wheel.
Mixture and Compound
Element and Mixture
Solvent and Compound
Solute and Solvent
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Explanation
A solution is a homogeneous mixture of two or more substances. It consists of a solute (dissolved substance) and a solvent (dissolving medium). The solute is evenly distributed, creating a uniform composition. Examples : Sugar in water, salt in water, gasoline.