- Which country's rocket launched India's first satellite, Aryabhata?
- the United States
- the Soviet Union
- France
- Japan
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Answer: (B) the Soviet Union
Aryabhata was launched on 19 April 1975 aboard a Soviet Cosmos-3M rocket.
- Which is ISRO's first fully operational launch vehicle?
- SLV
- ASLV
- PSLV
- GSLV
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Answer: (C) PSLV
The PSLV (Polar Satellite Launch Vehicle) is ISRO's first fully operational launch vehicle.
- What was India's first interplanetary mission?
- Chandrayaan-I
- the Mars Orbiter Mission
- Aditya-L1
- Gaganyaan
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Answer: (B) the Mars Orbiter Mission
The Mars Orbiter Mission (Mangalyaan), launched in 2013, was India's first interplanetary mission.
- Which agency carried out Mission Shakti?
- ISRO
- DRDO
- NASA
- DAE
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Answer: (B) DRDO
Mission Shakti, the anti-satellite test on 27 March 2019, was carried out by DRDO.
- How many satellites make up the IRNSS constellation?
- 4
- 5
- 7
- 9
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Answer: (C) 7
The IRNSS (NavIC) constellation is made up of 7 satellites.
- Which part of Chandrayaan-II failed to make a soft landing on the Moon?
- the orbiter
- the lander (Vikram)
- the rover (Pragyan) alone
- the propulsion module
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Answer: (B) the lander (Vikram)
Chandrayaan-II's lander, Vikram, failed to make a soft landing at the Moon's south pole on 6 September 2019.
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