General Knowledge - MCQ Practice Questions

The Earth's atmosphere is composed of different gases in specific proportions, and nitrogen is the most abundant among them.

Step 1: Understand atmospheric composition

The atmosphere consists mainly of nitrogen (N₂), oxygen (O₂), argon (Ar), carbon dioxide (CO₂), and trace gases.

Step 2: Know the percentage breakdown

Nitrogen makes up approximately 78% of the atmosphere, oxygen about 21%, argon about 0.93%, and carbon dioxide only about 0.04%.

Step 3: Identify the most abundant gas

Since 78% is the highest percentage, nitrogen is the most abundant gas in the atmosphere.

Note: Oxygen is the second most abundant gas. This is a fundamental atmospheric science fact that appears frequently in competitive exams.

Therefore, the correct answer is C) Nitrogen

The Statue of Liberty is a colossal neoclassical monument gifted by France to the United States as a symbol of friendship and freedom.

Step 1: Historical Context

The statue was designed by French sculptor Frédéric Auguste Bartholdi and engineered by Gustave Eiffel (famous for the Eiffel Tower). It was conceived as a gift from France to commemorate American independence and the alliance between the two nations.

Step 2: Gift Details

France gifted the statue to the United States in 1886. It was officially dedicated on October 28, 1886, on Liberty Island in New York Harbor. The Americans built the pedestal, while France provided the statue itself as a token of international friendship.

Step 3: Why Other Options Are Wrong

Therefore, the answer is B) France — the Statue of Liberty was gifted by France to the United States.

RBI is the central banking authority of India, responsible for monetary policy and financial regulation.

Step 1: Understanding the acronym RBI

RBI stands for Reserve Bank of India. It is the apex monetary authority established in 1935 under the Reserve Bank of India Act, 1934.

Step 2: Role and functions

The Reserve Bank of India manages currency circulation, implements monetary policy, regulates commercial banks, and maintains financial stability in the country.

Step 3: Why other options are incorrect

Therefore, the correct answer is A) Reserve Bank of India.

Mars is commonly known as the Red Planet due to its distinctive reddish appearance caused by iron oxide (rust) on its surface.

Step 1: Identify the characteristic feature

Mars appears reddish or rust-colored when observed from Earth, which is why it earned the nickname "Red Planet."

Step 2: Understand the cause

The red color comes from iron oxide (rust) present abundantly in the Martian soil and rocks, giving the planet its distinctive hue.

Step 3: Eliminate other options

Therefore, the answer is C) Mars — the Red Planet.

ISRO (Indian Space Research Organisation) is India's national space agency, and its headquarters location is a direct GK fact to recall.

Step 1: ISRO was established in 1969 and is the primary space research body of India responsible for space exploration and satellite launches.

Step 2: The headquarters of ISRO is located in Bengaluru (formerly Bangalore), Karnataka. This city was chosen as the hub for India's space program development.

Step 3: While ISRO has multiple centres across India (like Sriharikota in Andhra Pradesh for launches, Thiruvananthapuram in Kerala, and Hyderabad for specific projects), the main administrative headquarters remains in Bengaluru.

Therefore, the correct answer is B) Bengaluru.

The President of India is the constitutional head of state, and Dr. Rajendra Prasad was elected as the first person to hold this office after Independence.

Step 1: After India adopted its Constitution on January 26, 1950, a President was needed as the head of state according to the new democratic framework.

Step 2: Dr. Rajendra Prasad, a prominent freedom fighter and member of the Constituent Assembly, was unanimously elected as the first President of India.

Step 3: He served two consecutive terms from 1950 to 1962, making him one of the longest-serving presidents in Indian history.

Note on other options:

Therefore, the answer is B) Dr. Rajendra Prasad

The seven continents vary greatly in size, and Australia is the smallest among them.

Step 1: Identify the seven continents and their approximate areas.

The seven continents in order of size are: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.

Step 2: Compare the key options given.

Step 3: Determine the smallest.

Australia with 7.7 million km² is smaller than all other continents, making it the smallest continent by land area.

Therefore, the answer is C) Australia — the smallest continent in the world.

The national animal of India is an important part of Indian heritage and symbolism.

Step 1: Understanding National Symbols

India adopted the Tiger as its national animal in 1973, replacing the Lion. This decision was made to recognize the tiger's significance in Indian culture, mythology, and wildlife conservation.

Step 2: Why Tiger?

The tiger holds special importance because:

Step 3: Other Options

Therefore, the answer is C) Tiger — officially adopted as India's national animal in 1973.

Russia is the largest country in the world by area, covering approximately 17.1 million square kilometers.

The Prime Meridian passes through Greenwich, London, and serves as the reference line for measuring longitude.

Mount Everest, located in the Himalayas, is the highest mountain peak at 8,849 meters above sea level.

The Suez Canal in Egypt connects the Mediterranean Sea to the Red Sea, providing a crucial shipping route.

Antarctica is the coldest continent with temperatures dropping below -80°C in winter.

The Panama Canal connects the Atlantic and Pacific Oceans, providing a crucial shortcut for maritime trade.

The Great Barrier Reef, the world's largest coral reef system, is located off the coast of Queensland, Australia.

Thimphu is the capital of Bhutan, located in the western part of the country. It became capital in 1961, replacing Punakha.

The Strait of Gibraltar is the narrow passage between Spain and Morocco, connecting the Atlantic Ocean to the Mediterranean Sea.

The Amazon River is the longest river in South America and the world's largest by water discharge.

Paris, France hosted the 2024 Summer Olympics, marking the third time the city hosted the Games.

The Pyrenees mountain range forms the natural border between France and Spain.