General Knowledge

Dragon's Breath Cave in Namibia is known for having the world's largest underground lake by volume, not the smallest. Craighead Caverns in Tennessee contains the Lost Sea, which is the largest underground lake in the U.S. Sovetskaya Lake in Antarctica is a large subglacial lake. Moqua Well in Micronesia is a small underground lake and is often considered one of the smallest among notable underground lakes. Therefore, among the given options, Moqua Well (option C) is the smallest underground lake, making C the correct answer.

The tallest tree species in the world is the coast redwood (Sequoia sempervirens), which can grow over 350 feet tall, making option A correct.

The CIA (Central Intelligence Agency) is the primary intelligence agency of the United States of America, responsible for gathering, processing, and analyzing national security information from around the world.

PSU commonly stands for Power Supply Unit, especially in contexts related to electronics and computing, making option C the correct answer.

ECP stands for Election Commission of Pakistan, which is the constitutional body responsible for organizing and conducting elections in Pakistan.

The United States of America is located in the continent of North America, which includes Canada, the USA, and Mexico. Therefore, option A is correct.

Pakistan was created on 27 Ramadan 1362 A.H, which corresponds to August 14-15, 1947 in the Gregorian calendar. Therefore, option B (1362 A.H) is the correct answer.

The Model Town incident in Lahore occurred on June 17, 2014. Multiple reliable sources including Dawn news confirm that the police opened fire on protesters on this date, resulting in deaths and injuries. Although the aftermath and media coverage extended beyond this date, the incident itself is widely recognized as having happened on June 17, 2014, making option A the correct answer.

ECG stands for Electrocardiogram, which is a test that measures the electrical activity of the heart. Option B correctly represents this term, while the other options are unrelated.

English is the official language in the most countries worldwide, more than Spanish, Arabic, Chinese, or French. It is widely used as an official or administrative language in many countries across different continents.