What is RAID 5 used for? A. Speeding up internet connections B. Data redundancy and performance. C. Cooling down server rooms D. Scanning for malware Correct answer is: B. Data redundancy and performance. 📖 Read Detailed Explanation → Computer Science MCQS Leave a Comment | Umar
A. Speeding up internet connections B. Data redundancy and performance. C. Cooling down server rooms D. Scanning for malware
What is overfitting in machine learning? A. When a model fails to learn training data B. When a model learns training data too well and fails on new data. C. When the dataset is too small D. When the training takes too long Correct answer is: B. When a model learns training data too well and fails on new data. 📖 Read Detailed Explanation → Computer Science MCQS Leave a Comment | Umar
A. When a model fails to learn training data B. When a model learns training data too well and fails on new data. C. When the dataset is too small D. When the training takes too long
What is Agentic AI? A. AI that only answers questions B. AI that can take actions independently to achieve goals. C. AI used strictly for gaming D. Text-to-speech software Correct answer is: B. AI that can take actions independently to achieve goals. 📖 Read Detailed Explanation → Computer Science MCQS Leave a Comment | Umar
A. AI that only answers questions B. AI that can take actions independently to achieve goals. C. AI used strictly for gaming D. Text-to-speech software
Which protocol secures HTTPS communication? A. FTP B. SMTP C. TLS. D. HTTP Correct answer is: C. TLS. 📖 Read Detailed Explanation → Computer Science MCQS Leave a Comment | Umar
What does blockchain technology provide? A. High-speed internet routing B. Decentralized and immutable digital ledger. C. Centralized cloud storage system D. Automated video editing features Correct answer is: B. Decentralized and immutable digital ledger. 📖 Read Detailed Explanation → Computer MCQs for Competitive Exams Constable Model Past paper 2025 PDF Leave a Comment | Umar
A. High-speed internet routing B. Decentralized and immutable digital ledger. C. Centralized cloud storage system D. Automated video editing features
What is a zero-day vulnerability? A. A bug fixed on the day of software release B. A security flaw unknown to the vendor. C. A virus that expires within 24 hours D. A hardware defect Correct answer is: B. A security flaw unknown to the vendor. 📖 Read Detailed Explanation → Computer MCQs for Competitive Exams Constable Model Past paper 2025 PDF Leave a Comment | Umar
A. A bug fixed on the day of software release B. A security flaw unknown to the vendor. C. A virus that expires within 24 hours D. A hardware defect
What is the difference between cloud computing and edge computing? A. Cloud computing is older; edge is newer B. Cloud processes data on centralized servers; edge processes data near the source. C. Cloud is local; edge is global D. Cloud uses cables; edge is entirely wireless Correct answer is: B. Cloud processes data on centralized servers; edge processes data near the source. 📖 Read Detailed Explanation → Computer MCQs for Competitive Exams Constable Model Past paper 2025 PDF Leave a Comment | Umar
A. Cloud computing is older; edge is newer B. Cloud processes data on centralized servers; edge processes data near the source. C. Cloud is local; edge is global D. Cloud uses cables; edge is entirely wireless
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
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 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
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
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 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 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 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
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 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
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
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
The antonym of Military? A. Army B. Martial C. Civil D. Naval Correct answer is: C. Civil 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF English Grammar MCQS Leave a Comment | Umar
Which of the following spelling is correct? A. Agrandise B. Aggrandize C. Agranzide D. Agorandise Correct answer is: B. Aggrandize 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF English Grammar MCQS Leave a Comment | Umar
____ you ever been to Amsterdam? A. Do B. Has C. Have D. Did Correct answer is: C. Have 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF English Grammar MCQS Leave a Comment | Umar
What is the synonym of WRATH? A. Joy B. Anger C. Peace D. Love Correct answer is: B. Anger 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF English Grammar MCQS Leave a Comment | Umar
Neha is traveling _____ the school. A. Toward B. down C. into D. across Correct answer is: A. Toward 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF English Grammar MCQS Leave a Comment | Umar
The whole nation was ____ the president. A. against B. behind C. front D. besides Correct answer is: B. behind 📖 Read Detailed Explanation → Constable Model Past paper 2025 PDF English Grammar MCQS Leave a Comment | Umar