Indian Space Programme - Free MCQ Practice Test with solutions, SSC CGL

In 1961, the responsibility for space research in India was assigned to Dr. Homi J. Bhabha, a prominent Indian nuclear physicist and the founding director of the Tata Institute of Fundamental Research.

India's first satellite communication station was established at Arvi, near Pune. This station played a crucial role in advancing communication technologies and facilitating satellite-based communication services in the country.

India's first satellite, Aryabhatta, was launched on April 19, 1975, from Baikonur in Kazakhstan. This marked a significant milestone in India's space exploration journey, showcasing the country's capabilities in satellite technology and space research.

The primary objective of the Indian National Satellite System (INSAT) is to enhance communication connectivity across India. By offering transponders across various frequency bands, including C, S, Extended C, and Ku, INSAT satellites cater to communication, television broadcasting, and meteorological services. This system has significantly contributed to the communication revolution in India, improving connectivity throughout the country.

One of the key features of the GRAMSAT project is establishing communication links between state capitals, districts, and blocks, extending to rural villages. This initiative aims to bridge the educational gap in rural areas by enabling better communication infrastructure. By fostering connectivity, GRAMSAT facilitates the transmission of educational content to remote areas, ultimately contributing to improving literacy rates and overall development in rural regions.

INSAT has significantly contributed to the field of television broadcasting in India by supporting educational programming on Doordarshan. This aspect of INSAT's applications focuses on improving access to educational content, thereby enhancing the dissemination of knowledge and educational resources across the country. By leveraging INSAT's capabilities, educational TV programs have been able to reach a wider audience, contributing to the educational landscape of the nation.

Aryabhatta was India's first satellite, launched on April 19, 1975, by the Soviet Union using a Cosmos-3M launch vehicle. It was a significant milestone for India in gaining expertise in satellite construction and operations in space.

The Rohini series of satellites included Rohini Technology Payload (RTP), RS-1, RS-D1, and RS-D2. Launched between 1980 and 1994 using ISRO's Satellite Launch Vehicle (SLV), these satellites were mainly experimental, testing the capabilities of the SLV and contributing to India's space exploration journey.

ISRO's launch of numerous small satellites for experimental purposes primarily aimed at testing and advancing technologies in areas such as remote sensing, atmospheric studies, payload development, orbit control, and recovery technology. These initiatives have been crucial for enhancing India's expertise in space technology and exploration.

The correct answer is Option A: SLV (Space Launch Vehicle). SLV-3, the first generation launch vehicle of India, achieved a major milestone by successfully deploying the Rohini Satellite RS-I into orbit on July 18, 1980. This event marked a significant advancement for India's space exploration endeavors, showcasing the country's capability in satellite launch technology.

The correct answer is Option D: GSLV Mark III. This generation of launch vehicles developed by ISRO was specifically designed to launch India's INSAT-type satellites into geostationary orbit. By utilizing GSLV Mark III, India aimed to diminish its reliance on foreign rockets for launching satellites into strategic orbits. This advancement in launch vehicle technology showcases India's progress towards achieving self-sufficiency in space missions.

The correct answer is Option C: PSLV (Polar Satellite Launch Vehicle). PSLV, ISRO's first operational launch vehicle, encountered opposition from Western countries due to apprehensions regarding its possible dual-use capabilities as an intercontinental ballistic missile (ICBM). Despite these concerns, PSLV has proven to be a versatile and reliable launch vehicle for deploying satellites into various orbits, showcasing India's space prowess on the global stage.

The Indian Regional Navigational Satellite System (IRNSS) is designed specifically to offer position accuracy better than 10 meters over India and its surrounding region up to 1500 km. This system provides real-time Position, Navigation, and Time (PNT) services, operational 24/7 under all weather conditions, making it a crucial asset for various applications requiring precise location information within the designated regional area.

The Global Positioning System (GPS) is managed by the U.S. Department of Defense and is extensively utilized for navigation, mapping, land surveying, and a wide range of commercial and scientific purposes worldwide. GPS has become an integral part of modern life, with applications ranging from personal navigation devices to military operations and precision agriculture.

The Restricted Service of IRNSS is an encrypted service tailored for authorized users exclusively. This service provides highly secure and precise navigation and timing solutions to specific users who require enhanced data security and accuracy for their operations, ensuring that critical information remains protected from unauthorized access or interference.