PPSC PAST PAPERS EVERYDAY SCIENCE MCQS 2026
پیپر میں جانے سے
پہلے یہ سوالات و سلیبس ایک بار ضرور پڑھ کر جائیں
PPSC 25
years Past Papers Click here
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- Vitamin
- Protein
- Carbohydrate
- Lipid
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Glucose (C6H12O6) is a type of carbohydrate, specifically a simple sugar or monosaccharide.
It is a vital source of energy for many living organisms, including humans.
Glucose is a primary component of many carbohydrates, such as starch, cellulose, and glycogen.
تیزابی بارش _____ کی اعلی سطح پر مشتمل ہے؟
- Sulphuric Acid
- Nitric Acid
- Oxalic Acid
- Both A and B
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Sulfur dioxide (SO₂) and nitrogen dioxide (NO₂) are primary precursors of acid rain.
Acid rain is a consequence of these atmospheric pollutants reacting with water, oxygen, and other chemicals to form acidic compounds.
These acids contribute to environmental damage.
بیکٹیریل سیل میں ڈی این اے کے اضافی سرکلر چھوٹے ٹکڑے کو ____ کہا جاتا ہے؟
- Plasmids
- Replica
- Template
- Clone
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Explanation
The additional, small, circular, extrachromosomal piece of DNA in a bacterial cell is called a plasmid.
Structure: Small, double-stranded, circular DNA molecules.
Location: Found in the cytoplasm of bacteria (extrachromosomal).
Function: They typically contain non-essential but advantageous genes, such as those for antibiotic resistance.
Last updated 17-02-2026
گرمیوں یا خشک موسم کے دوران جانوروں میں غیر فعالیت کی حالت _____ کہلاتی ہے؟
- Aestivation
- Hibernation
- Pollination
- None of these
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Explanation
The state of inactivity in animals during summer or dry season is called aestivation (or estivation).
Purpose: To conserve energy and prevent water loss during arid, high-temperature conditions.
Duration: Lasts for the duration of the hot/dry season, ranging from weeks to months, or even years in some cases.
ڈبل فرٹلائجیشن ______ میں ہوتی ہے؟
- Bryophytes
- Brassica
- Pineal Body
- None of these
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Explanation
Double fertilization occurs in angiosperms like Brassica
Where one sperm fertilizes the egg, and another fuses with the central cell to form endosperm.
Bryophytes and gymnosperms (e.g., pine).
Last updated 17-02-2026
- After
- Off
- Up
- Out
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Explanation
- He takes after his father.
- Takes after means to look or act like an older family member.
- It shows a shared family trait, habit, or facial shape.
- Close
- Interpret
- Convoluted
- Forgetfulness
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Explanation
Construe means تشکیل دینا
Interpret means تشریح کرنا
- Xerosere
- Hydrosere
- Derosere
- Sammoser
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Explanation
Xerosere is a type of succession that occurs in dry or desert areas, starting from bare land
It involves a gradual, staged transition from bare, xeric conditions to a stable, mature, and moisture-retaining climax forest community
کس کی بڑھتی ہوئی حراستی گلوبل وارمنگ کا سبب بنتی ہے؟
- CH4
- O3
- CO2
- None of these
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Explanation
CO2 (Carbon Dioxide) is a major greenhouse gas that traps heat in the Earth's atmosphere.It contributing significantly to global warming.Increased levels of CO2, primarily from human activities like burning fossil fuels.They are a leading cause of climate change.
گلائکولائسز کے عمل کے بارے میں کون سا بیان درست ہے؟
- 1 ATP is produced and 2 ATP are consumed
- 2 ATP are produced and 1 ATP is consumed
- 2 ATP are produced and 2 ATP are consumed
- None of these
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Explanation
In glycolysis:
- 2 ATP molecules are consumed in the initial steps
- 4 ATP molecules are produced in the later steps
However, 2 ATP molecules are used to produce the 4 ATP molecules, resulting in a net gain of 2 ATP molecules
So, the correct statement is that 2 ATP are produced and 2 ATP are consumed.
