General Science PYQ – Astronomy and Space Science – Part 2 (Q 27–52)
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General Science PYQ – Astronomy and Space Science – Part 2 (Q 27–52) – 26 questions, subject: Science. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
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1.
GSHA 2021
What is the name of the latest earth observation satellite launched by ISRO (7th November 2020) from Sriharikota?Correct Answer: D [EOS-01]
Explanation:
On 7 November 2020 PSLV-C49 launched the earth observation satellite EOS-01 from Sriharikota.
2.
Forest Apprentice 2022
The satellite launched in the first launch mission of ISRO for the year 2022 isCorrect Answer: A [EOS-04]
Explanation:
ISRO's first launch of 2022 was PSLV-C52 carrying the radar imaging satellite EOS-04 on 14 February.
3.
Junior Scientific Officer 2023
EOS-04 Earth Observation Satellite was injected by India's ______ rocket.Correct Answer: B [PSLV-C52]
Explanation:
The EOS-04 earth observation satellite was placed in a sun-synchronous polar orbit by PSLV-C52.
4.
Group 2A Mains 2025
______ satellite was sent by ISRO on 1st January 2024 to study cosmic X-rays.Correct Answer: D [XPoSat]
Explanation:
XPoSat, the X-ray Polarimeter Satellite launched by PSLV-C58 on 1 January 2024, studies polarisation of cosmic X-rays.
5.
CTS (ITI Posts) 2025
What are the two small spacecraft used by India in the SpaDeX mission?Correct Answer: B [SDX01 & SDX02]
Explanation:
The SpaDeX space docking mission used two small spacecraft, SDX01 (chaser) and SDX02 (target), launched by PSLV-C60 on 30 December 2024.
6.
Group 4 2025
The GSLV-F15 was launched on ______ by ISRO.Correct Answer: A [January 29, 2025]
Explanation:
GSLV-F15 launched the NVS-02 navigation satellite from Sriharikota on 29 January 2025.
7.
Group 2A Mains (Revoked) 2026
The primary purpose of the CMS-03 satellite isCorrect Answer: B [Multi-band communication services across India and nearby ocean regions]
Explanation:
CMS-03 is a multi-band communication satellite providing services over the Indian landmass and surrounding ocean regions.
8.
EO Group VII (HR&CE) 2022
The Anti-Satellite Missile (ASAT) mission tested by India on March 27, 2019 isCorrect Answer: D [Mission Shakti]
Explanation:
India's anti-satellite missile test of 27 March 2019, which destroyed a satellite in low earth orbit, was called Mission Shakti.
9.
CTS (Non-Interview Posts) 2024
Among the following, the project director of the Chandrayaan-3 mission isCorrect Answer: D [P. Veeramuthuvel]
Explanation:
P. Veeramuthuvel, from Villupuram, Tamil Nadu, was the project director of Chandrayaan-3, whose lander landed near the Moon's south pole on 23 August 2023.
10.
Executive Officer Gr. IV (HR&CE) 2022
______ is the human space flight mission by ISRO which will demonstrate taking humans to space in low earth orbit.Correct Answer: C [Gaganyaan]
Explanation:
Gaganyaan is ISRO's human spaceflight mission that aims to take astronauts to low earth orbit and bring them back safely.
11.
CTS (ITI Posts) 2024
Which one of the following statements is true about Gaganyaan project?Correct Answer: B [It is designed to carry humans to space]
Explanation:
Gaganyaan is designed to carry humans into space, whereas Mars orbiting since 2014 is Mangalyaan and the Sun mission is Aditya-L1.
12.
1. Gaganyaan project envisages demonstration of human spaceflight capability.
2. It is planning to launch a crew of 3 members.
3. It is planned to launch to an orbit of 4000 km for a 7-day mission.
CTS (ITI Posts) 2025
Identify the correct statements about Gaganyaan project:1. Gaganyaan project envisages demonstration of human spaceflight capability.
2. It is planning to launch a crew of 3 members.
3. It is planned to launch to an orbit of 4000 km for a 7-day mission.
Correct Answer: B [[1] and [2] are correct]
Explanation:
Gaganyaan plans to send a crew of 3 to a 400 km orbit for a 3-day mission, so statements 1 and 2 are correct and the 4000 km, 7-day claim is wrong.
13.
(i) Crews are selected after clinical, psychological and aeromedical examination.
(ii) Mission-specific training will be conducted at ISRO, Trivandrum.
(iii) Selected astronauts will undergo their generic spaceflight training in Yuri Gagarin Cosmonaut Training Centre, Russia.
Group 1/1A 2025
Which of the following statements are true about crew selection and training for the "Gaganyaan Mission"?(i) Crews are selected after clinical, psychological and aeromedical examination.
(ii) Mission-specific training will be conducted at ISRO, Trivandrum.
(iii) Selected astronauts will undergo their generic spaceflight training in Yuri Gagarin Cosmonaut Training Centre, Russia.
Correct Answer: D [(i) and (iii) only]
Explanation:
Crew are chosen after clinical, psychological and aeromedical checks and get generic training at the Yuri Gagarin centre in Russia, while mission-specific training is at Bengaluru, not Trivandrum.
14.
Group 2A Mains Re-Exam 2026
Among the following, the one which is not a precursor test for Gaganyaan isCorrect Answer: D [Lunar landing simulation test]
Explanation:
Pad abort, integrated air drop and test vehicle flights are Gaganyaan precursor tests, but Gaganyaan does not involve a lunar landing, so a lunar landing simulation is not one.
15.
GSCE 2021
What is the name of "half-humanoid" (robotic) astronaut, which will be on board the Gaganyaan?Correct Answer: B [Vyomitra]
Explanation:
Vyommitra is the half-humanoid female robot developed by ISRO to fly on the uncrewed Gaganyaan mission.
16.
Reporter 2022
The place where ISRO successfully tested the first human-carrying rocket engine Vikas (Gaganyaan – human space mission) isCorrect Answer: A [Mahendragiri – TN]
Explanation:
Vikas engine tests for Gaganyaan were conducted at ISRO's Propulsion Complex at Mahendragiri in Tamil Nadu.
17.
Combined Accounts Service 2024
Vikram Sarabhai Space Centre is located atCorrect Answer: B [Thiruvananthapuram]
Explanation:
The Vikram Sarabhai Space Centre, ISRO's lead centre for launch vehicle technology, is in Thiruvananthapuram, Kerala.
18.
CTS (ITI Posts) 2025
Satish Dhawan Space Centre is located atCorrect Answer: B [Sriharikota]
Explanation:
The Satish Dhawan Space Centre, India's main launch site, is at Sriharikota in Andhra Pradesh.
19.
(a) Vikram Sarabhai Space Centre – 1. Andaman Islands – Port Blair
(b) Satish Dhawan Space Centre – 2. Dehradun
(c) Indian Institute of Remote Sensing – 3. Sriharikota
(d) Down Range Station – 4. Thiruvananthapuram
Group 2A Mains Re-Exam 2026
Match the following (Space station/centre – Place):(a) Vikram Sarabhai Space Centre – 1. Andaman Islands – Port Blair
(b) Satish Dhawan Space Centre – 2. Dehradun
(c) Indian Institute of Remote Sensing – 3. Sriharikota
(d) Down Range Station – 4. Thiruvananthapuram
Correct Answer: A [4 3 2 1]
Explanation:
VSSC is at Thiruvananthapuram, SDSC at Sriharikota, IIRS at Dehradun and the Down Range Station at Port Blair, Andaman, giving the matching 4 3 2 1.
20.
PSY 2022
The Indian Institute of Space Science and Technology is located atCorrect Answer: D [Thiruvananthapuram]
Explanation:
The Indian Institute of Space Science and Technology, a deemed university under the Department of Space set up in 2007, is at Thiruvananthapuram.
21.
GSHA 2021
IUCAA stands forCorrect Answer: D [Inter-University Centre for Astronomy and Astrophysics]
Explanation:
IUCAA stands for Inter-University Centre for Astronomy and Astrophysics, set up by the UGC.
22.
Asst. Conservator of Forests 2023
B.M. Birla Planetarium, Periyar Science and Technology Centre is located inCorrect Answer: D [Chennai]
Explanation:
The B.M. Birla Planetarium is part of the Periyar Science and Technology Centre at Kotturpuram, Chennai.
23.
Group 2A Mains (Revoked) 2026
The Tamil Nadu Government proposed to develop a space propellant park atCorrect Answer: C [Kulasekarapattinam – Thoothukudi District]
Explanation:
Tamil Nadu proposed a space industrial and propellant park near ISRO's new SSLV launch complex at Kulasekarapattinam in Thoothukudi district.
24.
Hostel Supdt. cum PTO 2024
The latest Mars rover by NASA's ongoing Mars 2020 mission isCorrect Answer: B [Perseverance or Percy]
Explanation:
Perseverance (Percy), the rover of NASA's Mars 2020 mission, landed in Jezero Crater on 18 February 2021.
25.
Asst. Director (Fisheries) 2022
Name the Indian-American aerospace engineer who led the 'NASA's Mars 2020 Mission'.Correct Answer: B [Swati Mohan]
Explanation:
Dr Swati Mohan, an Indian-American engineer, led the guidance, navigation and controls team of NASA's Mars 2020 mission and the Perseverance landing.
26.
Group 2A Mains 2025
What is the theme of "World Space Week 2024", celebrated from October 4th to 10th 2024?Correct Answer: A [Space and climate change]
Explanation:
The theme of World Space Week 2024 (4-10 October) was Space and Climate Change.
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› General Science PYQ – Computers, Technology and Scientists – Part 2 (Q 27–51)
› General Science PYQ – Computers, Technology and Scientists – Part 1 (Q 1–26)
› General Science PYQ – Scientific Temper and Scientific Method
› General Science PYQ – Genetics, Evolution and Biotechnology – Part 2 (Q 27–52)
› General Science PYQ – Genetics, Evolution and Biotechnology – Part 1 (Q 1–26)
› General Science PYQ – Diseases, Health and Nutrition
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