Space Research in India MCQs with Answers & Explanations
Space Research in India MCQs with Answers
Below is an exam-oriented set of 30 Multiple Choice Questions (MCQs) on Space Research in India, covering ISRO, major satellites, launch vehicles, Chandrayaan missions, Mars Orbiter Mission, Aditya-L1, NavIC, Gaganyaan, space science, and important milestones. The facts have been cross-checked primarily with official ISRO sources.
1. Who is widely regarded as the Father of the Indian Space Programme?
A. Dr. Homi J. Bhabha
B. Dr. Vikram A. Sarabhai
C. Dr. Satish Dhawan
D. Dr. A. P. J. Abdul Kalam
Answer: B. Dr. Vikram A. Sarabhai
Explanation:
Dr. Vikram A. Sarabhai is widely regarded as the Father of the Indian Space Programme. He played a central role in establishing India’s early space research infrastructure and promoted the use of space technology for national development.
The early Indian programme focused not merely on space exploration but also on practical applications such as communication, education, meteorology and remote sensing.
Exam Point: Remember the association Vikram Sarabhai → Indian Space Programme.
2. In which year was the Indian Space Research Organisation (ISRO) established?
A. 1962
B. 1965
C. 1969
D. 1972
Answer: C. 1969
Explanation:
The Indian Space Research Organisation (ISRO) was established on 15 August 1969.
Before ISRO, the Indian National Committee for Space Research (INCOSPAR) was formed in 1962. In 1972, the Government established the Department of Space (DoS) and brought ISRO under it.
Quick Revision:
- INCOSPAR → 1962
- ISRO → 1969
- Department of Space → 1972
3. Where is the headquarters of ISRO located?
A. Hyderabad
B. Bengaluru
C. New Delhi
D. Thiruvananthapuram
Answer: B. Bengaluru
Explanation:
The headquarters of ISRO and the Secretariat of the Department of Space are located at Antariksh Bhavan, Bengaluru, Karnataka.
Bengaluru is an important centre of India’s space programme and hosts several major ISRO centres and programme offices.
Exam Tip:
ISRO Headquarters → Antariksh Bhavan → Bengaluru
4. What was India’s first satellite?
A. Bhaskara-I
B. Rohini RS-1
C. Aryabhata
D. INSAT-1A
Answer: C. Aryabhata
Explanation:
Aryabhata was India’s first satellite. It was designed and fabricated in India and launched on 19 April 1975 by a Soviet C-1 Intercosmos rocket from Kapustin Yar.
It was an experimental scientific satellite carrying payloads related to X-ray astronomy, aeronomy and solar physics.
Important Distinction:
Aryabhata was India’s first satellite, whereas Rohini RS-1 was the first satellite successfully placed in orbit by an Indian launch vehicle.
5. Aryabhata was launched with the assistance of which country?
A. United States
B. France
C. Soviet Union
D. Japan
Answer: C. Soviet Union
Explanation:
Aryabhata was launched on 19 April 1975 by a Soviet C-1 Intercosmos rocket from Kapustin Yar.
This early cooperation with the Soviet Union helped India develop its satellite technology and gain valuable experience in space missions.
6. Which was India’s first successful indigenous satellite launch vehicle?
A. PSLV
B. GSLV
C. SLV-3
D. ASLV
Answer: C. SLV-3
Explanation:
Satellite Launch Vehicle-3 (SLV-3) was India’s first experimental satellite launch vehicle. It was a four-stage, all-solid-propellant rocket.
On 18 July 1980, SLV-3 successfully placed the Rohini RS-1 satellite into orbit from Sriharikota. This achievement marked a major milestone in India’s independent launch capability.
7. Which satellite was successfully placed into orbit by SLV-3 on 18 July 1980?
A. Aryabhata
B. Rohini RS-1
C. Bhaskara-I
D. INSAT-1B
Answer: B. Rohini RS-1
Explanation:
On 18 July 1980, India’s SLV-3 successfully placed the Rohini RS-1 satellite into Low Earth Orbit.
This achievement demonstrated India’s capability to launch satellites using an indigenous launch vehicle and made India the sixth country to possess such capability at that time.
Remember:
SLV-3 → Rohini RS-1 → 18 July 1980
8. Which ISRO launch vehicle is popularly known as the “workhorse” of India?
A. GSLV
B. PSLV
C. LVM3
D. SSLV
Answer: B. PSLV
Explanation:
The Polar Satellite Launch Vehicle (PSLV) is popularly known as ISRO’s workhorse because of its versatility and strong operational record.
PSLV has been used to launch different types of payloads, including Earth observation, navigation, communication and scientific satellites. It has also been extensively used for India’s interplanetary missions such as Chandrayaan-1, Mars Orbiter Mission and Aditya-L1.
9. Which launch vehicle is primarily associated with launching heavier communication satellites into Geosynchronous Transfer Orbit?
A. PSLV
B. SLV-3
C. GSLV
D. SSLV
Answer: C. GSLV
Explanation:
The Geosynchronous Satellite Launch Vehicle (GSLV) was developed primarily to launch heavier communication satellites into Geosynchronous Transfer Orbit (GTO).
An important feature of GSLV is its cryogenic upper stage, which provides high efficiency for upper-stage propulsion. ISRO’s indigenous cryogenic technology has significantly strengthened India’s heavy satellite launch capability.
10. Which launch vehicle was used for the Chandrayaan-3 mission?
A. PSLV-C57
B. GSLV-F12
C. LVM3-M4
D. SSLV-D2
Answer: C. LVM3-M4
Explanation:
The Chandrayaan-3 mission was launched on 14 July 2023 using the LVM3-M4 launch vehicle from Sriharikota.
LVM3 is India’s heavy-lift launch vehicle and was earlier known as GSLV Mk III. It has a combination of solid strap-ons, a liquid core stage and a cryogenic upper stage.
11. Chandrayaan-1 was India’s first mission to which celestial body?
A. Mars
B. Venus
C. Moon
D. Sun
Answer: C. Moon
Explanation:
Chandrayaan-1, launched on 22 October 2008, was India’s first lunar mission.
It was launched using PSLV-C11 and played a significant role in lunar scientific research. One of its major scientific achievements was the detection of evidence associated with water/hydroxyl on the Moon.
Exam Point:
Chandrayaan → Moon
Mangalyaan → Mars
Aditya-L1 → Sun
12. Which mission successfully demonstrated India’s capability to soft-land on the Moon in 2023?
A. Chandrayaan-1
B. Chandrayaan-2
C. Chandrayaan-3
D. Mangalyaan
Answer: C. Chandrayaan-3
Explanation:
Chandrayaan-3 successfully achieved a soft landing on the lunar surface on 23 August 2023.
The Vikram lander landed near the Moon’s southern polar region, followed by deployment of the Pragyan rover. India became the fourth country to achieve a soft landing on the Moon and the first to land near the lunar southern polar region.
13. What was the name of the lander used in the Chandrayaan-3 mission?
A. Vikram
B. Pragyan
C. Dhruv
D. Gaganyaan
Answer: A. Vikram
Explanation:
The Vikram lander carried the Pragyan rover during Chandrayaan-3.
The basic mission sequence was:
LVM3 → Chandrayaan-3 spacecraft → Vikram Lander → Pragyan Rover
The rover was designed to conduct scientific investigations on the lunar surface after the successful landing.
14. What was the name of the rover deployed by Chandrayaan-3?
A. Vikram
B. Pragyan
C. Aryabhata
D. Rohini
Answer: B. Pragyan
Explanation:
Pragyan, meaning “wisdom”, was the rover deployed from the Vikram lander.
Its purpose was to conduct scientific measurements and study the lunar surface in the vicinity of the landing site.
Easy Memory Trick:
Vikram = Lander
Pragyan = Rover
15. India’s Mars Orbiter Mission is popularly known by which name?
A. Gaganyaan
B. Mangalyaan
C. Adityayaan
D. Shukrayaan
Answer: B. Mangalyaan
Explanation:
India’s Mars Orbiter Mission (MOM) is popularly known as Mangalyaan.
It was launched on 5 November 2013 using PSLV-C25. The mission successfully entered Mars orbit and demonstrated India’s capability in interplanetary mission technologies.
16. Which was the launch vehicle used for India’s Mars Orbiter Mission?
A. PSLV-C25
B. PSLV-C11
C. GSLV-F12
D. LVM3-M4
Answer: A. PSLV-C25
Explanation:
The Mars Orbiter Mission (Mangalyaan) was launched on 5 November 2013 by PSLV-C25 from Satish Dhawan Space Centre, Sriharikota.
The mission demonstrated India’s ability to undertake a complex interplanetary mission at relatively low cost.
17. Aditya-L1 is primarily designed to study which celestial object?
A. Moon
B. Mars
C. Sun
D. Jupiter
Answer: C. Sun
Explanation:
Aditya-L1 is India’s first dedicated space-based solar observatory.
It studies the Sun, especially its outer atmosphere and phenomena such as solar flares, coronal mass ejections and solar wind. It was launched by PSLV-C57 on 2 September 2023.
18. At which Lagrange point does Aditya-L1 operate?
A. L1 of the Sun-Earth system
B. L2 of the Earth-Moon system
C. L3 of the Sun-Earth system
D. L5 of the Earth-Moon system
Answer: A. L1 of the Sun-Earth system
Explanation:
Aditya-L1 operates in a halo orbit around the first Lagrange point (L1) of the Sun-Earth system.
L1 lies approximately 1.5 million kilometres from Earth toward the Sun. This position provides an advantageous, relatively uninterrupted view of the Sun.
Important: Aditya-L1 does not orbit the Sun at the surface or travel toward the Sun itself.
19. What is the major scientific advantage of placing Aditya-L1 near the Sun-Earth L1 point?
A. It allows landing on the Sun
B. It provides continuous observation of the Sun
C. It eliminates the need for solar panels
D. It allows the spacecraft to enter Earth’s atmosphere
Answer: B. It provides continuous observation of the Sun
Explanation:
The L1 location provides an advantageous viewpoint for continuously observing the Sun without the regular interruptions that can occur from Earth’s occultation or eclipse.
This is particularly valuable for studying solar activity, solar wind, coronal mass ejections and space weather.
20. Which Indian mission is India’s first dedicated space-based X-ray polarimetry mission?
A. AstroSat
B. XPoSat
C. Chandrayaan-2
D. Aditya-L1
Answer: B. XPoSat
Explanation:
XPoSat (X-ray Polarimeter Satellite) is an Indian space science mission designed to study the polarization of X-rays from astronomical sources.
It was launched on 1 January 2024 by PSLV-C58. The mission contributes to the study of energetic astronomical objects and X-ray phenomena.
21. Which of the following is India’s first dedicated multi-wavelength space astronomy observatory?
A. AstroSat
B. Aryabhata
C. INSAT-1B
D. Cartosat-1
Answer: A. AstroSat
Explanation:
AstroSat is India’s first dedicated astronomy mission designed to conduct simultaneous observations of celestial sources in multiple wavelengths.
It was launched on 28 September 2015 by PSLV-C30. Its observations have contributed to research in areas including stars, galaxies, compact objects and high-energy astrophysical phenomena.
22. What is NavIC?
A. India’s human spaceflight programme
B. India’s regional satellite navigation system
C. India’s lunar rover programme
D. India’s satellite launch vehicle
Answer: B. India’s regional satellite navigation system
Explanation:
NavIC stands for Navigation with Indian Constellation. It is India’s regional satellite navigation system.
It was formerly known as IRNSS — Indian Regional Navigation Satellite System. The system is designed to provide Positioning, Navigation and Timing (PNT) services.
23. How many satellites are planned in the original NavIC constellation?
A. 5
B. 7
C. 9
D. 12
Answer: B. 7
Explanation:
The original NavIC constellation is designed around seven satellites.
According to ISRO, the constellation comprises three satellites in geostationary orbit and four satellites in inclined geosynchronous orbit, supported by a network of ground stations.
Exam Point:
NavIC → 7-satellite regional navigation constellation
24. Which ISRO programme is aimed at demonstrating India’s capability for human spaceflight?
A. Chandrayaan
B. Gaganyaan
C. Mangalyaan
D. Aditya-L1
Answer: B. Gaganyaan
Explanation:
Gaganyaan is India’s human spaceflight programme.
The mission involves developing technologies required to safely carry Indian astronauts to Low Earth Orbit, support them during the mission and safely return the crew to Earth.
The human-rated version of LVM3 is identified as the launch vehicle for the Gaganyaan mission.
25. Which launch vehicle has been identified as the Human Rated Launch Vehicle (HRLV) for Gaganyaan?
A. PSLV
B. SSLV
C. Human-rated LVM3
D. SLV-3
Answer: C. Human-rated LVM3
Explanation:
The human-rated version of LVM3 has been identified as the launch vehicle for the Gaganyaan mission.
Human-rating requires additional safety, reliability, redundancy and performance requirements compared with conventional launch vehicles. ISRO has also undertaken qualification activities for major propulsion and crew-safety systems.
26. What is the primary purpose of India’s Earth observation satellites?
A. Only entertainment broadcasting
B. Monitoring and studying Earth’s land, water and environment
C. Carrying astronauts to the Moon
D. Studying only distant galaxies
Answer: B. Monitoring and studying Earth’s land, water and environment
Explanation:
Earth observation satellites are used for applications such as:
- Agriculture and crop monitoring
- Water-resource management
- Forest and environmental monitoring
- Disaster management
- Cartography
- Urban planning
- Land-use studies
India’s IRS and EOS satellite programmes have significantly strengthened the country’s remote-sensing capabilities.
27. What is the main purpose of INSAT-type communication satellites?
A. Lunar landing
B. Communication and broadcasting services
C. Measuring earthquakes only
D. Launching rockets
Answer: B. Communication and broadcasting services
Explanation:
The INSAT system has played a major role in India’s communication infrastructure.
INSAT satellites have supported services including telecommunications, television broadcasting, weather forecasting, disaster warning, satellite news gathering and other societal applications.
Quick Memory:
INSAT → Communication
IRS/EOS → Earth Observation
NavIC → Navigation
28. What was the main objective of the Satellite Instructional Television Experiment (SITE)?
A. Deep-space exploration
B. Using satellite television for education and rural development
C. Launching astronauts
D. Mapping Mars
Answer: B. Using satellite television for education and rural development
Explanation:
The Satellite Instructional Television Experiment (SITE) was conducted during 1975–76 using the American ATS-6 satellite.
It demonstrated how satellite communication could be used to deliver educational and development-oriented programmes to rural communities. Subjects included agriculture, health/family planning, school education and teacher training.
Exam Point: SITE is an important example of India’s early emphasis on the societal applications of space technology.
29. What is the primary objective of the SpaDeX mission?
A. Studying the atmosphere of Mars
B. Demonstrating space rendezvous and docking technology
C. Mapping the surface of Venus
D. Studying solar flares
Answer: B. Demonstrating space rendezvous and docking technology
Explanation:
SpaDeX (Space Docking Experiment) is a technology-demonstration mission designed to demonstrate rendezvous, docking and undocking capabilities between spacecraft.
ISRO successfully docked the two SpaDeX satellites on 16 January 2025 and subsequently demonstrated undocking on 13 March 2025. The mission is important for future applications involving complex space operations, including potential human spaceflight and space-station-related activities.
Remember:
SpaDeX → Space Docking Technology
30. Which of the following correctly matches the Indian space mission with its primary objective?
A. Chandrayaan-3 — Solar observation
B. Aditya-L1 — Lunar landing
C. Mangalyaan — Mars exploration
D. NavIC — Space docking
Answer: C. Mangalyaan — Mars exploration
Explanation:
The correct match is:
- Chandrayaan-3 → Moon / lunar exploration
- Aditya-L1 → Sun / solar observation
- Mangalyaan → Mars / interplanetary exploration
- NavIC → Regional satellite navigation
- SpaDeX → Space docking technology
- Gaganyaan → Human spaceflight
The Mars Orbiter Mission (Mangalyaan) was India’s first interplanetary mission to Mars and successfully demonstrated India’s ability to operate a spacecraft in Martian orbit.
Quick Revision Table: Space Research in India
| Topic | Key Fact |
|---|---|
| Father of Indian Space Programme | Dr. Vikram Sarabhai |
| INCOSPAR | 1962 |
| ISRO established | 1969 |
| Department of Space | 1972 |
| ISRO Headquarters | Bengaluru |
| India’s first satellite | Aryabhata (1975) |
| First successful indigenous launch vehicle mission | SLV-3 / Rohini RS-1 (1980) |
| PSLV | Versatile/workhorse launch vehicle |
| GSLV | Geosynchronous/heavier communication satellite launches |
| LVM3 | Heavy-lift launch vehicle |
| Chandrayaan-1 | Moon |
| Chandrayaan-3 | Successful lunar soft landing, 2023 |
| Vikram | Chandrayaan-3 lander |
| Pragyan | Chandrayaan-3 rover |
| Mangalyaan | Mars Orbiter Mission |
| Aditya-L1 | Solar observatory |
| Aditya-L1 location | Halo orbit around Sun-Earth L1 |
| XPoSat | X-ray polarimetry |
| AstroSat | Multi-wavelength space astronomy |
| NavIC | Indian regional navigation system |
| Original NavIC constellation | 7 satellites |
| Gaganyaan | Human spaceflight programme |
| INSAT | Communication and broadcasting |
| IRS/EOS | Earth observation |
| SITE | Satellite-based educational/development experiment |
| SpaDeX | Space docking technology |
Important Exam-Trap Distinctions
- Aryabhata = India’s first satellite.
- Rohini RS-1 = satellite successfully placed into orbit by India’s indigenous SLV-3.
- Chandrayaan-3 = successful lunar soft landing in 2023.
- Mangalyaan/MOM = Mars mission.
- Aditya-L1 = solar mission positioned around Sun-Earth L1, not a lunar mission.
- NavIC = satellite navigation system, formerly called IRNSS.
- Gaganyaan = human spaceflight programme.
- SpaDeX = rendezvous, docking and undocking technology demonstration.
