Who discovered the human blood circulation system? A. Louis Pasteur B. William Harvey C. Alexander Fleming D. Gregor Mendel Correct answer is: B. William Harvey 📖 Read Detailed Explanation → Every Day Science PPSC Assistant Past Papers 2026 PPSC Past Papers 2026 Solved Leave a Comment | Umar
Which is the smallest planet in our Solar System? A. Mars B. Mercury C. Venus D. Pluto Correct answer is: B. Mercury 📖 Read Detailed Explanation → Every Day Science PPSC Assistant Past Papers 2026 PPSC Past Papers 2026 Solved Leave a Comment | Umar
What is the normal hearing range of a healthy human being? A. 20 Hz to 20,000 Hz B. 5 Hz to 500 Hz C. 100 Hz to 100,000 Hz D. 20,000 Hz to 50,000 Hz Correct answer is: A. 20 Hz to 20,000 Hz 📖 Read Detailed Explanation → Every Day Science PPSC Assistant Past Papers 2026 PPSC Past Papers 2026 Solved Leave a Comment | Umar
Which of the following is NOT a characteristic feature of Hydrophytes? A. Thick waxy cuticle B. Poorly developed roots C. Large air spaces (aerenchyma) D. Growth submerged in or floating on water Correct answer is: A. Thick waxy cuticle 📖 Read Detailed Explanation → Every Day Science PPSC Assistant Past Papers 2026 PPSC Past Papers 2026 Solved Leave a Comment | Umar
A. Thick waxy cuticle B. Poorly developed roots C. Large air spaces (aerenchyma) D. Growth submerged in or floating on water
Which isotope is used in carbon dating? A. Carbon-12 B. Carbon-13 C. Carbon-14. D. Carbon-15 Correct answer is: C. Carbon-14. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
What is the main component of biogas? A. Propane B. Butane C. Methane. D. Ethane Correct answer is: C. Methane. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
Which principle explains how airplane wings generate lift? A. Archimedes' Principle B. Bernoulli’s Principle. C. Pascal's Law D. Newton's Third Law Correct answer is: B. Bernoulli’s Principle. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
Ozone depletion is mainly caused by which chemicals? A. Carbon dioxide B. Chlorofluorocarbons (CFCs). C. Nitrogen gas D. Methane Correct answer is: B. Chlorofluorocarbons (CFCs). 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
Which vitamin is known as Tocopherol? A. Vitamin A B. Vitamin C C. Vitamin D D. Vitamin E. Correct answer is: D. Vitamin E. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
What is the main biological cause of antibiotic resistance? A. Lack of physical exercise B. Genetic mutation and gene transfer. C. Eating expired food D. Vitamin deficiencies Correct answer is: B. Genetic mutation and gene transfer. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
A. Lack of physical exercise B. Genetic mutation and gene transfer. C. Eating expired food D. Vitamin deficiencies
Which part of the brain controls decision making and personality? A. Cerebellum B. Prefrontal Cortex. C. Medulla Oblongata D. Occipital Lobe Correct answer is: B. Prefrontal Cortex. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
What is the Albedo Effect? A. Absorption of heat by oceans B. Reflection of solar energy from Earth’s surface. C. Melting of polar ice caps D. Radiation emitted by electronic devices Correct answer is: B. Reflection of solar energy from Earth’s surface. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
A. Absorption of heat by oceans B. Reflection of solar energy from Earth’s surface. C. Melting of polar ice caps D. Radiation emitted by electronic devices
Which enzymes are known as molecular scissors in genetic engineering? A. Polymerases B. Ligases C. Restriction enzymes. D. Amylases Correct answer is: C. Restriction enzymes. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
In the context of Human Biology, what is the ‘Telomere’ and why is it significant in aging? A. A brain cell that stops functioning B. Protective caps at the end of chromosomes that shorten as cells divide. C. A stomach enzyme that breaks down proteins D. A type of white blood cell Correct answer is: B. Protective caps at the end of chromosomes that shorten as cells divide. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
A. A brain cell that stops functioning B. Protective caps at the end of chromosomes that shorten as cells divide. C. A stomach enzyme that breaks down proteins D. A type of white blood cell
What is the fundamental difference between ‘Nuclear Fission’ and ‘Nuclear Fusion’? A. Fission joins light nuclei; fusion splits heavy nuclei B. Fission splits heavy nuclei; fusion joins light nuclei. C. Fission requires higher temperature than fusion D. Fission produces no radioactive waste Correct answer is: B. Fission splits heavy nuclei; fusion joins light nuclei. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
A. Fission joins light nuclei; fusion splits heavy nuclei B. Fission splits heavy nuclei; fusion joins light nuclei. C. Fission requires higher temperature than fusion D. Fission produces no radioactive waste
Which layer of the atmosphere is known as the ‘Heat Sphere’? A. Troposphere B. Stratosphere C. Mesosphere D. Thermosphere. Correct answer is: D. Thermosphere. 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF Every Day Science Leave a Comment | Umar
Types of bonds based on electron tendency are: A. 1 B. 2 C. 3 D. 4 Correct answer is: D. 4 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar
Which is a trace element? A. Oxygen B. Iron C. Carbon D. None of these Correct answer is: B. Iron 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar
Gravitational constant was first determined by: A. Einstein B. Newton C. Henry Cavendish D. Stephen Hawking Correct answer is: C. Henry Cavendish 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar
Total ATP used in glycolysis is: A. 2 B. 4 C. 3 D. 6 Correct answer is: A. 2 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar
Herpetology is study of: A. Fish B. Birds C. Mammals D. Reptiles Correct answer is: D. Reptiles 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar
Treeless region at high latitude is called: A. Desert B. Forest C. Grassland D. Tundra Correct answer is: D. Tundra 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar
Increase in leucocytes indicates: A. Anaemia B. Infection C. Increased defense D. Non formation RBC Correct answer is: B. Infection 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar
Nm⁻² is SI unit of: A. Energy B. Work C. Density D. Pressure Correct answer is: D. Pressure 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar
Thickness of Earth’s core is approximately: A. 500 km B. 2900 km C. 1900 km D. 3900 km Correct answer is: D. 3900 km 📖 Read Detailed Explanation → EST FGEI Past Papers MCQS EST FGEI Solved Paper 2026 Every Day Science Leave a Comment | Umar