ALL FPSC PAST PAPERS MCQS OF EVERYDAY SCIENCE 1998 TO 2019
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
ایڈز کا وائرس جسم کا کون سا نظام تباہ کرتا ہے؟
- Digestion
- Brain
- Immune
- None of these
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Explanation
AIDS stands for Acquired Immunodeficiency Syndrome.
It is caused by the HIV virus.
The virus primarily attacks the immune system.
This weakens the body's defense against infections and diseases.
ڈیوڈینم جیجنم کس کا ایک حصہ ہے؟
- Liver
- Kidney
- Large intestine
- Small intestine
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Explanation
The small intestine is the longest part of the digestive system.
It extends from the stomach (pylorus) to the large intestine (cecum).
It consists of three parts: duodenum, jejunum and ileum.
پارکنسن _____ کی بیماری ہے؟
- Heart
- Lungs
- Brain
- None of these
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Explanation
Parkinson's disease is a neurodegenerative disorder that affects the brain.Specifically the dopamine-producing neurons in the substantia nigra.It leads to symptoms like tremors, muscle stiffness, and difficulty with movement and coordination.
خون کے سرخ خلیے کس میں پیدا ہوتے ہیں؟
- Spleen
- Liver
- Bone Marrow
- Heart
- Kidney
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Explanation
Blood cells are made in the bone marrow.
The bone marrow is the soft, spongy material in the center of the bones.
It produces about 95% of the body's blood cells.
فوری توانائی کے لیے کھلاڑی کو کیا دیا جانا چاہیے؟
- Carbohydrates
- Vitamin
- Fats
- Protein
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Explanation
Carbohydrates provide the quickest source of energy for athletes.
As they are rapidly broken down into glucose, which fuels muscles during physical activity.
This makes them ideal for boosting performance and stamina.
- Conduction
- Convection
- Radiation
- None of these
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Explanation
The transfer of thermal energy from one substance to another that requires no physical medium is called radiation.
Radiation is the process by which thermal energy (heat) is transferred through electromagnetic waves, such as infrared radiation.
They can occur in a vacuum, such as in the transfer of heat from the Sun to the Earth.
Unlike conduction and convection, which require a physical medium (solids, liquids, or gases),
ایٹمی ری ایکٹر میں فِشن ری ایکشن کے دوران کس قسم کی توانائی پیدا ہوتی ہے؟
- Kinetic energy
- Electrical energy
- Thermal energy
- Potential energy
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Explanation
Thermal energy is produced during fission reactions in nuclear reactors, which is used to generate electricity.
ایک بقایا کرنٹ ڈیوائس (آر سی ڈی) بڑے پیمانے پر برقی سرکٹس میں کس لیے استعمال ہوتی ہے؟
- For voltage regulation
- For shock safety
- For leakage current detection
- For circuit breaker
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Explanation
A residual-current device (RCD) is widely used in electrical circuits for shock safety.
It detects leakage currents and disconnects the circuit to prevent electric shocks.
مندرجہ ذیل میں سے کون سی پانی سے پیدا ہونے والی بیماری وائرل ہے؟
- Typhoid fever
- Polio
- Dysentery
- Diarrhea
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Explanation
Polio is also known as poliomyelitis.
It is a disease caused by the poliovirus.
The virus is usually spread through the fecal-oral route, which includes through contaminated water and food.
ڈیسیبل وہ اکائی ہے جسے پیمائش کرنے کے لیے استعمال کیا جا سکتا ہے:
- Amplitude
- Wavelength
- Pitch
- None
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Explanation
Decibel (dB) is the unit used to measure sound intensity.
Which is related to the amplitude of a sound wave.
The amplitude of a sound wave determines the loudness of the sound
One decibel (0.1 bel) equals 10 times the common logarithm of the power ratio.
