Question 1

Which Indian space agency is responsible for India's space programme and satellite launches?

Accepted Answer

ISRO (Indian Space Research Organisation) is the national space agency of India, established in 1969. It is responsible for all space-related activities including satellite launches, planetary missions, and space exploration programmes.

Question 2

Which planet is the target of ISRO's Mangalyaan (Mars Orbiter Mission)?

Accepted Answer

Mangalyaan, officially known as the Mars Orbiter Mission (MOM), is ISRO's first interplanetary mission to Mars. Launched in November 2013, it successfully entered Mars orbit in September 2014, making India the first country to reach Mars on its maiden attempt.

Question 3

India's first satellite 'Aryabhata' was launched in which year?

Accepted Answer

Aryabhata, India's first satellite, was successfully launched on 19 April 1975 from the Baikonur Cosmodrome in the Soviet Union. It was named after the ancient Indian mathematician and astronomer Aryabhata.

Question 4

Which Indian space agency successfully launched the Chandrayaan-3 mission, and what was its primary objective?

Accepted Answer

Chandrayaan-3 was launched by ISRO (Indian Space Research Organisation) on 14 July 2023. Its primary objective was to demonstrate safe and soft landing capability on the lunar surface and to conduct in-situ scientific experiments. The mission successfully landed on the Moon's south polar region on 23 August 2023, making India the fourth country to achieve a soft landing on the Moon.

Question 5

What is the primary objective of India's Chandrayaan mission series?

Accepted Answer

Chandrayaan is ISRO's lunar exploration mission series designed to study the Moon's surface, geology, and search for water ice and other resources. Chandrayaan-1 was India's first lunar mission (2008), and Chandrayaan-3 successfully landed on the Moon's south polar region in 2023.

Question 6

Which rocket launch vehicle is used by ISRO to launch satellites into Geostationary Orbit (GEO)?

Accepted Answer

GSLV (Geosynchronous Satellite Launch Vehicle) is ISRO's heavy-lift launch vehicle designed to place satellites into Geostationary Orbit. The GSLV Mk III variant is the most powerful Indian launch vehicle currently in operation.

Question 7

Which Indian space agency is responsible for India's space programme and launching satellites into orbit?

Accepted Answer

ISRO (Indian Space Research Organisation) is the national space agency of India, established in 1969. It is responsible for developing space technology, launching satellites, and conducting space missions for scientific and commercial purposes.

Question 8

Which Indian space agency successfully launched the Chandrayaan-3 mission to the Moon?

Accepted Answer

Chandrayaan-3 was successfully launched by ISRO (Indian Space Research Organisation) on 14 July 2023 and achieved a soft landing on the lunar south pole on 23 August 2023, making India the fourth country to land on the Moon.

Question 9

What is the name of India's first interplanetary mission to Mars, launched by ISRO?

Accepted Answer

Mangalyaan (Mars Orbiter Mission or MOM) was India's first interplanetary mission, launched on 5 November 2013 and successfully entered Mars orbit on 24 September 2014, making India the first country to reach Mars in its first attempt.

Question 10

In which year did ISRO successfully launch Chandrayaan-1, India's first lunar mission?

Accepted Answer

Chandrayaan-1 was launched on 22 October 2008 and was India's first lunar mission. It orbited the Moon and made significant discoveries, including confirmation of water molecules on the lunar surface.

Question 11

Which space telescope was launched by ISRO to study the Sun and its corona?

Accepted Answer

Aditya-L1 is India's first dedicated solar mission, launched on 2 September 2023. It is positioned at the Sun-Earth Lagrange Point L1 and studies the solar corona and solar wind.

Question 12

What is the primary objective of ISRO's Gaganyaan programme?

Accepted Answer

Gaganyaan is ISRO's crewed spaceflight programme aimed at sending Indian astronauts to space. The first crewed mission is planned to carry 2-3 astronauts to low Earth orbit for 5-7 days.

Question 13

What is the name of India's first indigenous satellite launched by ISRO?

Accepted Answer

Aryabhata was India's first indigenous satellite, launched on 19 April 1975 from the Baikonur Cosmodrome in the Soviet Union. It was named after the ancient Indian mathematician and astronomer Aryabhata.

Question 14

Which planet was the target of India's Mangalyaan (Mars Orbiter Mission) launched in 2013?

Accepted Answer

Mangalyaan, officially known as the Mars Orbiter Mission (MOM), was launched by ISRO on 5 November 2013 and successfully reached Mars orbit on 24 September 2014, making India the first nation to reach Mars on its first attempt.

Question 15

Which ISRO launch vehicle is primarily used for launching satellites into Geostationary Orbit (GEO)?

Accepted Answer

GSLV (Geosynchronous Satellite Launch Vehicle) is ISRO's heavy-lift launch vehicle designed to place satellites into Geostationary Orbit. PSLV is used for polar and low Earth orbits, while GSLV is specifically designed for heavier payloads to GEO.

Question 16

Which Indian satellite series, launched by ISRO, is primarily used for Earth observation and resource monitoring?

Accepted Answer

The IRS (Indian Remote Sensing) satellite series, now branded as Resourcesat, is ISRO's primary Earth observation satellite constellation. These satellites are used for land use mapping, agricultural monitoring, disaster management, and environmental studies. The latest in the series is Resourcesat-2A and Resourcesat-2B.

Question 17

Which Indian space mission successfully soft-landed on the Moon's south polar region in August 2023?

Accepted Answer

Chandrayaan-3 was India's third lunar mission and the first to successfully achieve a soft landing on the Moon. It landed near the south polar region on August 23, 2023, making India the fourth country to achieve a soft landing on the Moon and the first to land near the south pole.

Question 18

What is the primary objective of ISRO's Aditya-L1 mission launched in September 2023?

Accepted Answer

Aditya-L1 is India's first dedicated solar mission designed to study the Sun's corona, solar wind, and solar flares. It is positioned at the Sun-Earth Lagrange Point L1, approximately 1.5 million kilometers from Earth, to continuously observe solar phenomena.

Question 19

What is the name of the reusable spacecraft developed by SpaceX that has been used for crewed missions to the International Space Station?

Accepted Answer

SpaceX's Crew Dragon (also called Dragon 2) is a reusable spacecraft designed to transport astronauts to and from the International Space Station. It successfully completed its first crewed mission (Demo-2) in May 2020 and has since conducted multiple crewed missions for NASA.

Question 20

Which space agency successfully deployed the Artemis I uncrewed mission in November 2022, marking a major step toward returning humans to the Moon?

Accepted Answer

NASA's Artemis I was an uncrewed test flight of the Space Launch System (SLS) and Orion spacecraft. Launched on November 16, 2022, it completed a successful mission around the Moon, paving the way for crewed Artemis II and eventual human lunar landings under the Artemis program.

RPF Sub-Inspector Space & ISRO

Space & ISRO— Rules & Concept

Key Points to Remember

Exam-Specific Tips

Space & ISRO — Practice Questions

60-Second Revision — Space & ISRO