PPSC PAST PAPERS ALL MCQS 2024 OF EVERYDAY SCIENCE
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
جانوروں سے متعلق مطالعہ کو کہا جاتا ہے
Zoology
Botany
Chemistry
None of these
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Explanation
Zoology, branch of biology that studies the members of the animal kingdom and animal life in general.
کون سا معدنیات ہڈیوں اور دانتوں کی تعمیر، پٹھوں کے کام کرنے اور خون جمنے کے لیے ضروری ہے؟
Calcium
Magnesium
Iron
Sodium
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Explanation
Calcium is crucial for:
Building and maintaining strong bones and teeth Muscle function and contraction Nerve function and transmission Blood clotting and wound healing
سینٹی گریڈ پیمانے پر پانی کا نقطہ انجماد کیا ہے؟
0°C
1°C
-1°C
5°C
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Explanation
The freezing point of water is 0°C (zero degrees Centigrade). The boiling point of water on the Centigrade scale ( also known as the Celsius scale ) 100°C (one hundred degrees Centigrade).
Element
Solution
Mixture
Compound
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Explanation
Air is a mixture of different gases .Primarily consisting of nitrogen (78%) , oxygen (21%) , and trace amounts of other gases.
سورج گرہن اس وقت ہوتا ہے جب _______؟
The moon comes between earth and sun
The Sun comes between earth and moon
The Sun comes between earth and earth
None of these
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Explanation
A solar eclipse can only take place during the phase of the new moon
when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface.
وہ جانور جو پودوں اور جانوروں دونوں کو کھاتے ہیں انہیں کیا کہا جاتا ہے؟
Omnivores
Herbivores
Carnivores
None of these
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Explanation
Omnivores are animals that eat both plants and animals. They have adaptations that allow them to digest and extract nutrients from a wide variety of food sources , including fruits, leaves, insects, small animals, and even carrion. Examples of omnivores include humans, bears, pigs, chimpanzees, and raccoons.
کیڑوں کا مطالعہ کیا کہلاتا ہے؟
Etymology
Entomology
Zoology
Biology
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Explanation
Entomology is the study of insects and their relationship to humans , the environment , and other organisms.
while
Zoology is the study of all animals.
Biology is a natural science concerned with the study of life and living organisms.
Etymology investigates and documents the lives.
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
ایک بیٹری برقی توانائی کو کس قسم کی توانائی میں بدلتی ہے؟
Chemical Energy
Mechanical Energy
Thermal Energy
Nuclear Energy
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Explanation
A battery stores energy in the form of chemical energy . This energy is later converted into electrical energy when the battery is used.
بیکنگ سوڈا کا دوسرا نام کیا ہے؟
Sodium chloride
Potassium nitrate
Sodium bicarbonate
Calcium carbonate
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Explanation
The chemical formula of baking soda is NaHCO ₃, which stands for sodium bicarbonate.
The chemical name of baking soda is sodium hydrogen carbonate or sodium bicarbonate (NaHCO3).
Sodium bicarbonate is non flammable
Baking soda is basic in nature.