Mixed General Knowledge Quiz

Dr. is the standard abbreviation for Doctor, used as a title for medical practitioners and PhD holders. It comes from the Latin word doctor meaning teacher.

The keyboard is the primary input device for typing text into a computer. The monitor is for display, CPU processes data, and printer produces output on paper.

The binary number system uses only two digits: 0 and 1. This is why it is called base-2, unlike the decimal system which is base-10 and uses ten digits.

During respiration, humans inhale oxygen from air which is used for cellular respiration. Carbon dioxide is exhaled as a waste product, not carbon.

At standard atmospheric pressure, water freezes at 0°C. Option A -0 is not standard notation (zero is neither positive nor negative), and +100°C is the boiling point.

A right angle measures exactly 90 degrees, like the corner of a square. 45° is half a right angle, 180° is a straight angle, and 360° is a full rotation.

A leap year has 366 days instead of the usual 365, with February having 29 days. This occurs every 4 years to keep the calendar aligned with Earth's orbital period.

Washington, D.C. is located along the Potomac River, which forms part of the border between Virginia and Maryland. The Hudson River (Option A) flows through New York, while the Mississippi River (Option C, misspelled) is in the central United States. The 'Sean' (Option D) appears to be a typo - possibly meant 'Seine' (Paris) or is a nonsense option.

Paris is situated on the Seine River (here spelled 'Sean'). The Seine flows through the heart of Paris and is central to the city's geography and history. The Rhine (Option B) flows through Germany and parts of France but not Paris, while the Ural (Option C) is in Russia. 'Dawn' (Option D) is not a river name.

Dhaka, the capital of Bangladesh, is situated on the Buriganga River, which is a distributary of the Padma River (the Bengali name for the lower Ganges). The Padma is the major river flowing through Bangladesh and is often cited as the main river near Dhaka. While the Brahmaputra, Ganga, and Meghna (Option C) are all major rivers in Bangladesh, the Padma is most closely associated with Dhaka's location.

Cairo, the capital of Egypt, is situated on the Nile River - the longest river in the world and the lifeblood of Egypt. The Nile has sustained Egyptian civilization for thousands of years. The Tigris (Option C) flows through Iraq and Turkey, while Livingstone (Option A) appears to be a person's name (David Livingstone). 'Thems' (Option D) is likely a typo for 'Thames', which flows through London.

Mount Everest is indeed the highest mountain in the world, with a peak elevation of 8,848.86 meters above sea level. It is located in the Himalayas on the border between Nepal and the Tibet Autonomous Region of China.

Green tea contains compounds like catechins and caffeine that can boost metabolism and increase fat burning. Research suggests green tea may help with weight management when combined with regular exercise and a balanced diet. It does not directly treat mosquito bites, muscle cramps, or fever.

Theodore Roosevelt, the 26th U.S. President, famously said 'The only man who never makes mistakes is the man who never does anything.' This quote reflects his philosophy of active engagement and learning from failure rather than inaction.

Benjamin Franklin did indeed say 'There never was a good war, or a bad peace.' This quote reflects his pragmatic and diplomatic worldview, emphasizing the destruction of war and the value of peaceful resolution of conflicts.

Amazon is primarily an e-commerce and cloud computing company, not a social networking site. MySpace, Fropper, and Orkut were all social networking platforms where users created profiles, connected with friends, and shared content.

Water is essential for life and supports all bodily functions - hydration, temperature regulation, nutrient transport, waste removal - making it fundamental to health. While wine and cranberry juice have some beneficial compounds, they also have downsides (alcohol, sugar). Coffee has antioxidants but isn't classified as a superfood in nutritional frameworks. Water's complete absence of calories, additives, and its universal health necessity makes it the clear answer.

Yogurt is a well-documented weight-loss superfood due to its high protein content (promoting satiety), probiotics (supporting gut health and metabolism), and calcium (which may aid fat metabolism). While skim milk has protein, it lacks the probiotic benefits. Granola is often high in sugar and calories, making it less ideal for weight loss. Raisins are calorie-dense dried fruit. Yogurt's combination of protein, probiotics, and nutrients makes it the best choice among these options.