MCQ – GK Questions

Answer: Jupiter

Ganymede is the largest moon of Jupiter and the largest moon in the Solar System. It is even larger than the planet Mercury.

Answer: USA

The United States, through NASA's Apollo program, was the only country to successfully land humans on the Moon. Neil Armstrong and Buzz Aldrin were the first two.

Answer: 2013

Mangalyaan was launched on November 5, 2013, and entered Mars orbit on September 24, 2014. It made India the first Asian nation to reach Mars orbit.

Answer: Venus

Venus is often called Earth's twin because it is similar in size, mass, and composition to Earth. However, its atmospheric conditions are vastly different.

Answer: Ursa Major

Ursa Major is known as the Great Bear. It contains the asterism known as the Big Dipper or the Plough, which is used to locate the Pole Star.

Answer: Pragyan

The Chandrayaan-3 mission consisted of the Vikram lander and the Pragyan rover. Pragyan means 'wisdom' in Sanskrit.

Answer: Earth Observation and Mapping

Cartosat satellites are part of the Indian Remote Sensing (IRS) program, designed for high-resolution earth observation and cartographic applications.

Answer: Uranus

Uranus has an axial tilt of about 98 degrees, meaning it essentially rolls around the Sun on its side. This extreme tilt causes extreme seasonal variations.

Answer: International Space Station (ISS)

The ISS is a modular space station in low Earth orbit, maintained by a collaboration of five space agencies: NASA (USA), Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada).

Answer: Sagittarius A*

Sagittarius A* (Sgr A*) is the supermassive black hole at the Galactic Center of the Milky Way. The first image of Sgr A* was released by the Event Horizon Telescope in 2022.

Answer: Mercury

Mercury is the smallest and innermost planet in the Solar System, orbiting closest to the Sun.

Answer: NASA

NASA launched the Kepler Space Telescope in 2009. Its primary mission was to discover Earth-size planets orbiting other stars, particularly in the habitable zone.

Answer: Moon Mineralogy Mapper (M3)

The Moon Mineralogy Mapper (M3), an instrument provided by NASA on board Chandrayaan-1, confirmed the presence of water molecules on the lunar surface in 2009.

Answer: Jupiter

Jupiter has the shortest day of all the planets, rotating on its axis once every 9 hours and 55 minutes. Its rapid rotation causes it to bulge at the equator.

Answer: NavIC

NavIC (Navigation with Indian Constellation), formerly known as IRNSS, is India's autonomous regional satellite navigation system. GPS is American, GLONASS is Russian, and Galileo is European.

Answer: Saturn

Titan is the largest moon of Saturn and the second-largest natural satellite in the Solar System. It is notable for its dense atmosphere and liquid hydrocarbon lakes.

Answer: Voyager 1

Voyager 1, launched in 1977, is the farthest human-made object from Earth. It entered interstellar space in 2012 and continues to transmit data.

Answer: Jupiter

The Great Red Spot is a persistent high-pressure region in the atmosphere of Jupiter, producing an anticyclonic storm that is the largest in the Solar System. It has been observed for centuries.

Answer: 13.8 billion years

Scientific estimates place the age of the universe at approximately 13.8 billion years, based on observations of the cosmic microwave background radiation and the expansion rate of the universe.

Answer: Halo Orbit around Lagrange Point L1

Aditya-L1 was placed in a halo orbit around the Lagrange Point 1 (L1) of the Sun-Earth system, about 1.5 million km from Earth. This position allows continuous viewing of the Sun without any occultation/eclipses.