ISRO GK Questions and Answers
11. Which ISRO mission first detected water on the moon?
A) Mangalyaan
B) Chandrayaan-1
C) Chandrayaan-2
D) GSAT-7
B) Chandrayaan-1
Explanation: Chandrayaan-1 was the mission that first detected water molecules on the moon. This discovery was a significant milestone in lunar exploration and added valuable knowledge to our understanding of the moon.
12. What is the name of the launch vehicle developed by ISRO?
A) Falcon 9
B) PSLV
C) Delta IV
D) Atlas V
B) PSLV
Explanation: The Polar Satellite Launch Vehicle (PSLV) is a launch vehicle developed by ISRO. It is known for its reliability and has been used to launch various satellites into space, including those for India’s space missions.
13. Which launch vehicle was used to launch Chandrayaan-2?
A) PSLV
B) GSLV Mk III
C) SLV
D) ASLV
B) GSLV Mk III
Explanation: The Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mk III) was used to launch Chandrayaan-2 on July 22, 2019. It is ISRO’s most powerful launch vehicle and is capable of carrying heavy payloads.
14. When was Chandrayaan-2 launched?
A) 2017
B) 2018
C) 2019
D) 2020
C) 2019
Explanation: Chandrayaan-2 was launched on July 22, 2019. It was India’s second lunar exploration mission, following Chandrayaan-1. The mission aimed to explore the moon’s south pole region.
15. What does GSLV stand for?
A) Global Satellite Launch Vehicle
B) Geosynchronous Satellite Launch Vehicle
C) Geostationary Satellite Launch Vehicle
D) Giant Satellite Launch Vehicle
B) Geosynchronous Satellite Launch Vehicle
Explanation: GSLV stands for Geosynchronous Satellite Launch Vehicle. It is designed by ISRO to place satellites into geosynchronous orbits. The GSLV has been used for various missions, including launching communication satellites and Chandrayaan-2.
16. Which ISRO satellite is used for telecommunication purposes?
A) Cartosat-2
B) GSAT-30
C) RISAT-2B
D) Astrosat
B) GSAT-30
Explanation: GSAT-30 is a communication satellite developed by ISRO for telecommunication purposes. It provides coverage over the Indian mainland and islands and is used for various communication applications, including broadcasting and broadband services.
17. When was the first Indian astronaut, Rakesh Sharma, sent to space?
A) 1978
B) 1981
C) 1984
D) 1986
C) 1984
Explanation: Rakesh Sharma, the first Indian astronaut, was sent to space on April 3, 1984. He flew aboard the Soviet spacecraft Soyuz T-11 as part of the Intercosmos program and spent nearly 8 days in space.
18. What was the name of the space mission that took Rakesh Sharma to space?
A) Soyuz T-11
B) Apollo 11
C) Shenzhou 5
D) Challenger
A) Soyuz T-11
Explanation: Rakesh Sharma was part of the Soyuz T-11 mission, a Soviet Union spaceflight. This mission was significant as it made him the first Indian to travel in space.
19. Which ISRO mission was India’s first interplanetary mission?
A) Chandrayaan-1
B) Mangalyaan
C) Astrosat
D) GSAT-6
B) Mangalyaan
Explanation: Mangalyaan, also known as the Mars Orbiter Mission, was India’s first interplanetary mission. Launched in 2013, it was a major milestone for ISRO, making India the first Asian nation to reach Mars orbit and the fourth space agency in the world to do so.
20. What is the primary objective of the INSAT series of satellites?
A) Earth observation
B) Telecommunication and broadcasting
C) Space exploration
D) Weather monitoring
B) Telecommunication and broadcasting
Explanation: The INSAT (Indian National Satellite System) series of satellites is primarily used for telecommunication, broadcasting, and meteorology. They play a crucial role in television broadcasting, satellite-based communications, and weather forecasting in India.