Burning fossil fuels mainly results in: A. Emission of Oxygen B. Emission of Carbon Dioxide C. Emission of Nitrogen D. Emission of Water Vapour Correct answer is: B. Emission of Carbon Dioxide 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
A. Emission of Oxygen B. Emission of Carbon Dioxide C. Emission of Nitrogen D. Emission of Water Vapour
Biogas is mainly a mixture of: A. Ethane and Oxygen B. Propane and Carbon Monoxide C. Methane and Carbon Dioxide D. Butane and Nitrogen Correct answer is: C. Methane and Carbon Dioxide 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
A. Ethane and Oxygen B. Propane and Carbon Monoxide C. Methane and Carbon Dioxide D. Butane and Nitrogen
The energy reaching Earth from the Sun is produced by which reaction? A. Fission Reaction B. Combustion Reaction C. Chemical Reaction D. Fusion Reaction Correct answer is: D. Fusion Reaction 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
Which of the following contains amino acids? A. Collagen B. Starch C. Glucose D. Cellulose Correct answer is: A. Collagen 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
Comets move at their highest speed when they are: A. Far from the Sun B. In the Asteroid Belt C. Near the Sun D. In the Oort Cloud Correct answer is: C. Near the Sun 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
Who is known as the “Father of the Atomic Bomb”? A. Albert Einstein B. J. Robert Oppenheimer C. Enrico Fermi D. Niels Bohr Correct answer is: B. J. Robert Oppenheimer 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
The process of removing the inedible central part of a fruit is called: A. Peeling B. Slicing C. Coring D. Pitting Correct answer is: C. Coring 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
What is the main source of energy in cellular respiration? A. Protein B. Lipids C. Vitamin C D. Glucose Correct answer is: D. Glucose 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
The total power of radiation emitted by a star is called: A. Magnitude B. Luminosity C. Intensity D. Flux Correct answer is: B. Luminosity 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
Water moving downward into the soil is called: A. Evaporation B. Transpiration C. Percolation D. Condensation Correct answer is: C. Percolation 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
The final stage of ecological succession in an ecosystem is called: A. Seral Stage B. Pioneer Community C. Secondary Succession D. Climax Community Correct answer is: D. Climax Community 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
Noble gases have which type of bonding between their atoms? A. Ionic Bonding B. No Chemical Bonding C. Metallic Bonding D. Covalent Bonding Correct answer is: B. No Chemical Bonding 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
Air masses generally move from: A. Low Pressure to High Pressure B. West to East Only C. High Pressure to Low Pressure D. North to South Only Correct answer is: C. High Pressure to Low Pressure 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
A. Low Pressure to High Pressure B. West to East Only C. High Pressure to Low Pressure D. North to South Only
LPG is mainly a mixture of: A. Methane and Ethane B. Helium and Neon C. Propane and Butane D. Oxygen and Nitrogen Correct answer is: C. Propane and Butane 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
Which disease is related to metabolism? A. Malaria B. Diabetes C. Tuberculosis D. Influenza Correct answer is: B. Diabetes 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
What is the end product of glycolysis? A. Pyruvate B. Glucose C. ATP D. Lactic Acid Correct answer is: A. Pyruvate 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
Which process is a non-carbon source of glucose synthesis? A. Photosynthesis B. Glycolysis C. Gluconeogenesis D. Fermentation Correct answer is: C. Gluconeogenesis 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
A neutron is converted into a proton with the emission of an electron and: A. Positron B. Photon C. Antineutrino D. Alpha Particle Correct answer is: C. Antineutrino 📖 Read Detailed Explanation → Every Day Science PMS Provincial Management Services Solved Paper 2026 PPSC Past Papers & Solved MCQs PPSC Past Papers 2026 Solved Leave a Comment | Umar
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