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Question 1: Which ISRO mission successfully placed an orbiter around Mars, making India the first Asian nation to do so?
- Gaganyaan
- Chandrayaan-1
- Aditya-L1
- Mangalyaan (Mars Orbiter Mission)
Answer: D. Mangalyaan (Mars Orbiter Mission)
Explanation: Mangalyaan, also known as the Mars Orbiter Mission, was ISRO's first interplanetary mission. It successfully entered Mars orbit on September 24, 2014, a significant achievement for India.
Question 2: Who is widely regarded as the 'Father of the Indian Space Program'?
- APJ Abdul Kalam
- Satish Dhawan
- Homi J. Bhabha
- Vikram Sarabhai
Answer: D. Vikram Sarabhai
Explanation: Dr. Vikram Sarabhai is considered the Father of the Indian Space Program. His vision and efforts laid the foundation for India's space research and development.
Question 3: Which former Indian President was also a renowned aerospace scientist and played a key role in India's missile and nuclear programs?
- Pranab Mukherjee
- R. Venkataraman
- APJ Abdul Kalam
- K. R. Narayanan
Answer: C. APJ Abdul Kalam
Explanation: Dr. APJ Abdul Kalam, often called the 'Missile Man of India', was a distinguished aerospace scientist before becoming the 11th President of India. He made significant contributions to India's defense and space technology.
Question 4: What was the primary objective of the Chandrayaan-1 mission?
- To study the Sun's corona
- To land a rover on the lunar surface
- To orbit the Moon and map its surface
- To test human spaceflight capabilities
Answer: C. To orbit the Moon and map its surface
Explanation: Chandrayaan-1 was India's first lunar probe. Its main objective was to orbit the Moon, create a 3D atlas of its surface, and search for water ice, which it successfully detected.
Question 5: Which launch vehicle is known as ISRO's 'workhorse' for placing satellites into Geosynchronous Transfer Orbit (GTO)?
- GSLV (Geosynchronous Satellite Launch Vehicle)
- ASLV
- SLV-3
- PSLV (Polar Satellite Launch Vehicle)
Answer: A. GSLV (Geosynchronous Satellite Launch Vehicle)
Explanation: The GSLV is ISRO's launch vehicle designed to inject satellites into Geosynchronous Transfer Orbit, primarily for communication satellites. The PSLV is known for polar and sun-synchronous orbits.
Question 6: In which year did India successfully launch its first indigenous satellite, Aryabhata?
- 1969
- 1980
- 1992
- 1975
Answer: D. 1975
Explanation: Aryabhata, named after the ancient Indian astronomer, was India's first satellite. It was launched on April 19, 1975, by the Soviet Union, marking a significant step for India's space program.
Question 7: What is the name of ISRO's upcoming human spaceflight mission?
- Aditya-L1
- Shukrayaan
- NISAR
- Gaganyaan
Answer: D. Gaganyaan
Explanation: Gaganyaan is ISRO's ambitious mission to demonstrate human spaceflight capability by sending a crew of three astronauts to an orbit of 400 km for a 3-day mission and bringing them back safely.
Question 8: Which ISRO center is primarily responsible for the design and development of launch vehicles?
- ISRO Satellite Centre (ISAC)
- Liquid Propulsion Systems Centre (LPSC)
- Vikram Sarabhai Space Centre (VSSC)
- Space Applications Centre (SAC)
Answer: C. Vikram Sarabhai Space Centre (VSSC)
Explanation: The Vikram Sarabhai Space Centre (VSSC) in Thiruvananthapuram is the primary center for the design and development of launch vehicles and related technologies for ISRO.
Question 9: What significant discovery was made by Chandrayaan-1 regarding the Moon?
- Detection of water molecules on the lunar surface
- Presence of active volcanoes
- Evidence of liquid water oceans
- Existence of a breathable atmosphere
Answer: A. Detection of water molecules on the lunar surface
Explanation: Chandrayaan-1's Moon Mineralogy Mapper (M3) instrument confirmed the presence of water molecules on the lunar surface, a groundbreaking discovery that changed our understanding of the Moon.
Question 10: Which ISRO mission aims to study the Sun's outer atmosphere (corona) from a halo orbit around the L1 point?
- NISAR
- Aditya-L1
- Mangalyaan-2
- Chandrayaan-3
Answer: B. Aditya-L1
Explanation: Aditya-L1 is India's first dedicated solar mission, designed to study the Sun's corona, solar emissions, solar winds, and flares from a halo orbit around the Sun-Earth L1 Lagrangian point.