Science And Technology (Railway)

Total Questions: 60

41. On 14 February 2022, ISRO successfully launched its first earth observation satellite of 2022, EOS-04. It was launched by which rocket? [RRB Group 'D' CBT Exam, 24.08.2022 (Shift-II)]

(1) PSLV-C54
(2) PSLV-C53
(3) PSLV-C52
(4) PSLV-C51

Correct Answer: (3) PSLV-C52

Solution:On 14 February 2022, the Earth Observation Satellite (EOS-04) onboard the Polar Satellite Launch Vehicle (PSLV-C52) was successfully accomplished and launched by the Indian Space & Research Organisation (ISRO).

• The launch was conducted from the First Launch Pad of Satish Dhawan Space Centre, Sriharikota.

• Apart from EOS, the launch vehicle also carried two other rideshare satellites into orbit and this marked the first successful launch of the year 2022.

42. In which year did the Indian government conduct its first nuclear test in the deserts of Pokhran? [RRB Group 'D' CBT Exam, 24.08.2022 (Shift-III)]

(1) 1974
(2) 1968
(3) 1981
(4) 1962

Correct Answer: (1) 1974

Solution:India conducted its first successful nuclear bomb test at the army base Pokhran Test Range (PTR), in Rajasthan, on 18 May 1974.

• It was codenamed Operation Smiling Buddha.

• India conducted another five nuclear tests of advanced weapon designs at the Pokhran range on 11 and 13 May 1998.

• It was codenamed operation Shakti.

43. Which of the following is the first indigenous RT-PCR kit developed by 'CSIR-Central Drug Research Institute' for testing the omicorn variant ? [RRB Group 'D' CBT Exam, 25.08.2022 (Shift-I)]

(1) Cowin
(2) Shanti
(3) VinCom
(4) INDICOV-Om

Correct Answer: (4) INDICOV-Om

Solution:A team of scientists from CSIR-Central Drug Research Institute, Lucknow in collaboration with its industrial partner Biotech Desk Pvt Ltd, Hyderabad has developed an indigenous RT-PCR kit for the specific detection of the omicron variant, called IndiCov-OM has been named.

44. In February 2022, scientists from Defence Research and Development Organisaion (DRDO) and __________ successfully demonstrated Quantum key Distribution link between Prayagraj and Vindhyanchal in UttarPradesh. [RRB Group 'D' CBT Exam, 02.09.2022 (Shift-I)]

(1) Indian Institute of Technology (IIT) Delhi
(2) Indian Institute of Technology (III) Madras
(3) Indian Institute of Technology (IIT) Kharagpur
(4) Indian Institute of Technology (IIT) Kanpur

Correct Answer: (1) Indian Institute of Technology (IIT) Delhi

Solution:Defence Research and Development Organisation DRDO and Indian Institute of Technology IIT Delhi, successfully demonstrated Quantum Key Distribution link between Prayagraj and Vindhyachal in Uttar Pradesh in February 2022.

• This technological break. through was achieved over a commercial-grade optical fibre already available in field.

• With this success, India demonstrated indigenous technology of secure key transfer for bootstrapping military-grade communication security key hierarchy.

45. On 31st January 2022, who was appointed as Director General of the National Institute of Electronics and Information Technology? [RRB Group 'D' CBT Exam, 14.09.2022 (Shift-II)]

(1) Dr. Narayan Pradhan
(2) Dr. Madan Mohan Tripathi
(3) Dr. Amrita Hazra
(4) Dr. Pinaki Talukdar

Correct Answer: (2) Dr. Madan Mohan Tripathi

Solution:Dr. Madan Mohan Tripathi was, on 31 January 2022, appointed as Director-General of the National Institute of Electronics & Information Technology (NIELIT).

• Before joining NIELIT, Dr. Tripathi worked as Professor at Delhi Technological University (DTU), New Delhi.

46. January 2022, researchers at the IIT Kharagpur have developed a new highly accurate, portable, yet user-friendly, affordable and non-invasive device for detecting ___________ in resource-constrained clinical settings. [RRB Group 'D' CBT Exam, 14.09.2022 (Shift-II)]

(1) oral cancer
(2) blood cancer
(3) breast cancer
(4) lung cancer

Correct Answer: (1) oral cancer

Solution:Researchers at the Indian Institute of Technology (IIT) Kharagpur have developed a new highly accurate, portable, yet user-friendly, affordable, and non-invasive device for detecting oral cancer in resource-constrained clinical settings.

• The novel technology includes a portable handheld unit that combines various sensors and controllers that feed the measured data to a computer simulation engine to classify normal, pre-cancer and cancer cases in oral cavity.

47. Which of the following goals does NASA hope to achieve by launching the HelioSwarm research mission? [RRB Group 'D' CBT Exam,17.09.2022 (Shift-I)]

(1) Improving the understanding of the dynamics of the Sun
(2) Improving the understanding of MARS
(3) Improving the understanding of lonoshhere
(4) Understanding the intense seasonal episodes of Pluto

Correct Answer: (1) Improving the understanding of the dynamics of the Sun

Solution:NASA's HelioSwarm mission will help improve our understanding of the dynamics of the Sun, the Sun-Earth connection, and the constantly changing space environment.

• This mission consists of a constellation or "swarm" of nine spacecraft that will capture the first multiscale inspace measurements of fluctuations in the magnetic field and motions of the solar wind known as solar wind turbulence.

48. In April 2021 the Union Education Minister launched the world's first microsensorbased explosive trace detector called 'NanoSniffer'. Nano sniffer was developed by which IIT incubated startup? [RRB Group 'D' CBT Exam, 17.09.2022 (Shift-III)]

(1) IIT-Kharagpur
(2) IIT-Bombay
(3) IIT-Madras
(4) IIT-Hyderabad

Correct Answer: (2) IIT-Bombay

Solution:"NanoSniffer"has been developed by NanoSniff Technologies, an IIT Bombay incubated startup.

• 'NanoSniffer' is the world's first microsensor (or MEMS, Micro-Electro Mechanical Systems) based Explosive Trace Detector (ETD).

• It is being marketed by Vehant Technologies, a spin-off from a former IIT Delhi incubated startup Kritikal Solutions.

49. Which IIT, along with Visual Quest and Youth4Jobs, developed Inida's first Al-based Job portal for persons with disabilities called 'Swarajability'? [RRB Group 'D' CBT Exam, 19.09.2022 (Shift-II)]

(1) IIT-Kharagpur
(2) IIT-Bombay
(3) IIT-Delhi
(4) IIT-Hyderabad

Correct Answer: (4) IIT-Hyderabad

Solution:IIT Hyderabad has jointly developed 'Swarajability' - India's 1st Al triggered Job Platform for Persons with Disabilities with Youth4Jobs & Visual Quest with support from Kotak Mahindra Bank Ltd.

• The Principal Scientific Adviser to the Government of India. Próf. K. Vijay Raghavan, soft-launched (beta-version) this platform in March 2022.

• The portal, powered by artificial intelligence, helps people with disabilities acquire relevant skills and find jobs.

50. What is the full form of INSPIRE scheme, which is one of the flagship programmes of the Department of Science & Technology (DST), Government of India? [RRB Group 'D' CBT Exam, 20.09.2022 (Shift-II)]

(1) Innovation in Science Pursuit for Indian Research
(2) Innovation in Science Pursuit for Indigenous Research
(3) Innovation in Science Pursuit for Interdisciplinary Research
(4) Innovation in science Pursuit for Inspired Research

Correct Answer: (4) Innovation in science Pursuit for Inspired Research

Solution:The acronym INSPIRE stands for Innovation in Science Pursuit for Inspired Research.

• It is an innovative programme sponsored and managed by the Department of Science & Technology for attraction of talent to Science.

• It was launched on 13th December 2008.

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