GK Test (Static)

Aryabhatta was India's first satellite launched into orbit on April 19, 1975. It was named after the ancient Indian mathematician-astronomer Aryabhata. The satellite was built by ISRO and launched by the Soviet Union. Rohini was launched later (1980s), Bhaskara-I was an experimental satellite (1979), and INSAT-1A was a communications satellite (1982).

Lord Mountbatten served as the last Viceroy of India and became the first Governor-General of independent India from August 15, 1947 to June 21, 1948. He oversaw the transition of power and partition. C. Rajagopalachari became the last Governor-General (and first Indian) in 1948. Nehru was the first Prime Minister, and Rajendra Prasad was the first President.

Arati Saha became the first Indian woman to swim across the English Channel in 1954 at the age of 19. She was a long-distance swimmer and was awarded the Padma Shri in 1960. Shanta Rangaswami is a former Indian cricketer, Santosh Yadav is the first woman to climb Mount Everest twice, and Kamaljit Sandhu is the first Indian woman to win an Asian Games gold medal.

Prithvi is India's first successfully developed and tested surface-to-surface short-range ballistic missile (SRBM). It was developed by DRDO under the Integrated Guided Missile Development Program (IGMDP) and first tested in 1988. Agni is a ballistic missile series, Akash is a surface-to-air missile (SAM), and Vayu is not a name of an Indian missile (Vayudeva is a proposed project).

Angel Falls (Salto Angel) in Venezuela is the world's highest waterfall at 979 meters (3,212 feet). It is located in Canaima National Park and drops from the Auyan-tepui mountain. Jog Falls is India's second-highest waterfall, Niagara Falls is on the US-Canada border, and Menal Falls is in Rajasthan, India.

The Gulf of Mexico is the largest gulf in the world, covering approximately 1.5 million square kilometers. It is bordered by the United States, Mexico, and Cuba. The Persian Gulf is much smaller, and the Strait of Hormuz is a narrow waterway, not a gulf.

Greenland is the world's largest island, covering approximately 2.16 million square kilometers. It is an autonomous territory within the Kingdom of Denmark. Australia is considered a continent, not an island, despite being surrounded by water.

Jim Corbett Park (Corbett National Park) in India was the site of Asia's first Tiger Safari, established to promote tiger conservation and tourism. While Bangkok and Penang have tiger facilities, they were not the first dedicated tiger safaris.

Lunik II (also called Luna 2) was the first spacecraft to intentionally impact the lunar surface in September 1959. It was a Soviet achievement. Surveyor-3 was a US lunar lander, Columbus IV never existed, and Apollo II landed astronauts (didn't just hit).

The Sahara Desert, covering approximately 9.2 million square kilometers across North Africa, is the world's largest hot desert. While Antarctica is technically a desert (largest by area), the question clearly seeks the largest hot desert, which is the Sahara.

K-2 (Godwin Austin), standing at 8,611 meters on the China-Pakistan border, is the world's second-highest peak after Mount Everest. Kanchenjunga is third, and Lhotse is fourth. Nandadevi is India's second-highest peak but ranks globally much lower.

The Nile River, flowing through northeastern Africa for approximately 6,650 kilometers, is generally recognized as the world's longest river. While some debate exists about whether the Amazon might be longer, the Nile is traditionally accepted as the longest in most academic contexts.

Rakesh Sharma became the first Indian citizen to travel to space in 1984 aboard the Soviet Soyuz T-11 mission. Ramanujan was a mathematician, Tenzing Norgay was a mountaineer (first to climb Everest), and Dr. Homi Jahangir Bhabha was a nuclear physicist.

The Amazon River is the largest river in the world by discharge volume (average 209,000 m³/s) and drainage basin area (7 million km²). While the Nile is longer, the Amazon carries more water - about 20% of the world's freshwater that flows into oceans.

The Soviet Union (USSR) launched Sputnik 1 on October 4, 1957, making it the first artificial satellite in history. This marked the beginning of the Space Age. USA's first satellite (Explorer 1) was launched in January 1958, and Japan's first satellite (Ohsumi) was in 1970.

Air Commodore is the highest rank among the given options. The IAF rank hierarchy from highest to lowest is: Air Chief Marshal > Air Marshal > Air Vice Marshal > Air Commodore > Group Captain > Wing Commander > Squadron Leader > Flight Lieutenant > Flying Officer.

The world's first public railway line was laid in North-East England between Stockton and Darlington in 1825. While earlier wagonways existed, this was the first steam-powered public railway.

The first railway line in India was started between Thane and Kalyan on April 16, 1853. This was also the first railway line in Asia. The inaugural train ran from Bori Bunder (now Chhatrapati Shivaji Terminus Mumbai) to Thane.

Sputnik 1, launched by the Soviet Union on October 4, 1957, was the first artificial satellite to be sent into space. It marked the beginning of the Space Age.

Sirimavo Bandaranaike of Sri Lanka (then Ceylon) became the world's first woman Prime Minister when she was elected in July 1960. She served three terms as PM.

Bachendri Pal became the first Indian woman to scale Mount Everest on May 23, 1984. She was part of an Indian expedition led by Brigadier Gyan Singh.

Nawang Gombu of Nepal became the first person to climb Mount Everest twice - first with American Jim Whittaker in 1963, and then with an Indian expedition in 1965. He was Tenzing Norgay's nephew.