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۔
ستاروں کا مطالعہ ____ کے نام سے جانا جاتا ہے؟
- Astrology
- Astronomy
- Seismography
- Discography
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Explanation
Astronomy is the study of everything in the universe beyond Earth's atmosphere.
That includes objects we can see with our naked eyes, like the Sun , the Moon , the planets, and the stars
کون سا عضو انسان کا عضو نہیں ہے؟
- Appendix
- Eye lid
- Coccyx
- None of these
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Explanation
Vestigial organs are organs, tissues or cells in a body
Which are no more functional the way they were in their ancestral form of the trait.
خالص پانی کی صلاحیت کیا ہے؟
- Zero
- 1
- 2
- 3
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Explanation
- The water potential of pure water is zero (0).
- It is taken as a standard reference point.
- Pure water has no dissolved solutes.
- Chemical formula: H2O
- Molar mass: 18.01528(33) g/mol
- Melting point: 0.00 °C (32.00 °F; 273.15 K) [b]
- Boiling point: 99.98 °C (211.96 °F; 373.13 K)
Last updated by NS on 20-April-2026
. کون سے اینڈوکرائن غدود کو ایک مخصوص ہارمون کی ترکیب کے لیے آیوڈین کی ضرورت ہوتی ہے جس کی کمی سے گٹھری کی بیماری ہو سکتی ہے
- Hypothalamus
- Thyroid gland
- Pancreas
- Thymus
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Explanation
The thyroid gland is part of the endocrine system and produces thyroid hormones,
which deficiency can cause goiter disease.
Cells producing thyroid hormones extract and absorb iodine from the blood and incorporate them into the thyroid hormones.
چھوٹی آنت کے کس حصے میں پروٹین کا ہاضمہ مکمل ہوتا ہے۔
- Duodenum
- illeum
- Stomach
- None of these
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Explanation
The lowest part of your small intestine is the ileum.
This is where the final parts of digestive absorption take place.
The ileum absorbs bile acids, fluid, and vitamin B-12.
- Tidal volume
- Stroke volume
- Heart rate
- Cardiac output
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Explanation
Stroke volume is the amount of blood pumped by a ventricle in a single contraction.
اگر ڈھکن کھولا جائے تو خوشبو کس طریقہ کار سے پورے کمرے میں پھیلتی ہے؟
- Compression
- Diffusion
- Osmosis
- Pressure in the bottle
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Explanation
Diffusion. It is the movement of particles from an area of higher concentration to lower concentration.
The overall effect is to equalize concentration throughout the medium.
Examples of diffusion include perfume filling a whole room and the movement of small molecules across a cell membrane.
- Area sampling technique
- Purposive sampling technique
- Systematic sampling technique
- None of these
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Explanation
Systematic sampling technique is the technique which is generally followed when the population is finite.
- Cosmic rays
- Gamma rays
- Alpha rays
- Manta rays
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Explanation
Cosmic rays are high-energy particles, primarily protons and atomic nuclei, that travel through space at nearly the speed of light.
They originate from sources like supernovae and other cosmic events and can reach Earth from outside the solar system.
- Transpiration pull
- Absorptive capacity
- Capillary action
- Root pressure
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Explanation
Blotting paper absorbs the water through capillary action only as thin threads like structure are present in blotting paper.