MOST ! r e p a P EXPECTED l a u t c a QUESTIONS e h t n i r a PRELIMS '19 e p p a y e h t e r o Science & f e b m Technology e h t e v l o S 1. The European Spallation (ESS) facility is being built (c) Both 1 and 2 (d) Neither 1 nor 2 in Lund, Sweden. Consider the following statements in this context: 6.Which of the following is/are the advantage(s) of Li- 1. The European Spallation Source (ESS) is a multi- ion batteries over the acid batteries? disciplinary research facility based on the world’s 1. The use of Li-ion battery does not cause the most powerful neutron source. environmental damage like that of lead pollution 2. A neutron source and its instruments enable caused by lead acid batteries. scientists to see and understand basic atomic 2. Li-ion batteries have a constant voltage output structures and forces. ensuring longer life of equipment connected. Which of the statements given above is/are correct? 3. When compared to lead acid batteries, Li-ion (a) 1 only (b) 2 only batteries weigh just about a third and have near full (c) Both 1 and 2 (d) Neither 1 nor 2 efficiency in both charging and discharging. Select the correct answer using the code given below: 2. The Government of India has recently banned the (a) 1 only (b) 2 and 3 use of Oxytocin. In this context, consider the following (c) 1 and 3 (d) 1, 2 and 3 statements: 1. Oxytocin is a hormone secreted by the Thyroid 7. Consider the following statements regarding the gland. guided missile Pinaka Mark-II: 2. It plays a role in social interaction. 1. It is developed indigenously by DRDO with the 3. Oxytocin is used both for humans and animals to help of private companies and is the first example accelerate normal labour. of Public-private partnership in defence sector. Which of the statements given above is/are incorrect? 2. It has high accuracy and equipped with a (a) 1 only (b) 1 and 2 navigation, guidance and control system with a (c) 2 and 3 (d) 1, 2 and 3 range of 70 to 80 km. Which of the statements given above is/are correct? 3.Consider the following statements regarding ‘Indian (a) 1 only (b)2 only Regional Navigation Satellite System (IRNSS)’: (d)Both 1 and 2 (d)Neither 1 nor 2 1. IRNSS is designed to provide accurate positioning and timing services to users in India as well as 8. Consider the following rovers sent to mars for region extending beyond India. various scientific studies: 2. A geosynchronous orbit synchronizes with the 1. Opportunity rover, launched by National rotation of the Earth. Aeronautics and Space Administration (NASA), is 3. All the seven satellites under IRNSS are placed in engaged in searching signs of past life on Mars. the geosynchronous orbit. 2. Curiosity rover, deployed by European Space Which of the statements given above is/are correct? Agency (ESA), is assessing whether Venus ever (a) 1 and 2 (b) 2 only had an environment able to support small life (c) 1 and 3 (d) 1, 2 and 3 forms called microbes. Which of the statements given above is/are correct? (a) 1 only (b) 2 only 4. Consider the following statements regarding (c) Both 1 and 2 (d) Neither 1 nor 2 ‘cryogenic engine’ in space technology: 1. The cryogenic engines use liquid hydrogen as fuel 9. Consider the following points: and liquid oxygen as oxidiser. 1. A Lagrange point is a location in space where the 2. The cryogenic engines are more efficient than solid combined gravitational forces of the Earth and the and liquid stages. Sun equal the centrifugal force felt by a much Which of the statements given above is/are incorrect? smaller third body. (a) 1 only (b) 2 only 2. Heliosphere is the region where the constant flow (c) Both 1 and 2 (d) Neither 1 nor 2 of particles from Sun collides with material from the rest of the galaxy. 5. Consider the following statements regarding ‘Space Which of the statements given above is/are correct? Debris’: (a)1 only (b)2 only 1. Space debris is a term for the mass of waste, (c)Both 1 and 2 (d)Neither 1 nor 2 artificially created in space, mostly in Earth orbit. 2. Space debris can destroy a whole aircraft. 10.Consider the following statements regarding Which of the statements given above is/are correct? National Advanced Surface-to-Air Missile System (a) 1 only (b) 2 only (NASAM - II), sometimes seen in the news: 1. It is an advanced air defence system being 3. It is expected to be launched by 2022. developed by India. Which of the statements given above is/are correct? 2. It is the state-of-the-art defence system that has (a) 1 only (b) 1 and 3 ability to quickly identify and destroy enemy (c) 2 and 3 (d) 1, 2 and 3 aircraft including Unmanned Aerial Vehicle. Select the correct answer using the code given below: 16. The CARE Experiment is related to which of the (a) 1 only (b) 2 only following? (c) Both 1 and 2 (d) Neither 1 nor 2 (a) Air pollution (b) Neonatal care (c) HIV (d) Manned space mission 11.Consider the following statements regarding FASTag: 17. Consider the following types of stealth technologies 1. A FASTag is a reloadable tag that automatically that are used in building combat aircraft: deducts toll charges and allows a vehicle to pass 1. In material stealth, radar-absorbing materials are through a toll gate without stopping for the used to absorb the radio waves thus reducing the payment. radar footprint. 2. It is mandatory for cars and trucks sold after 2. In geometric stealth, the aircraft is designed at December 2017 to be fitted with a FASTag. such angles that deflects away maximum radar Which of the statements given above is/are correct? waves to minimise radar cross section. (a) 1 only (b) 2 only Which of the statements given above is/are correct? (c) Both 1 and 2 (d) Neither 1 nor 2 (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 12.The “Gravity Recovery and Climate Experiment Follow-On (GRACE-FO)” mission was recently 18. With respect to HELINA- a Helicopter Launched launched by which of the following space agencies? Nag missile, consider the following statements: (a) National Aeronautics and Space Administration 1. It is a fifth generation Anti-Tank guided missile (NASA) indigenously developed under Integrated Guided (b) European Space Agency (EAS) Missile Development Programme (IGMDP)of (c) Indian Space Research Organisation (ISRO) DRDO. (d) Japan Aerospace Exploration Agency (JAXA) 2. Anti-Tank Guided Missiles are primarily designed to hit and destroy heavily armoured military 13. Consider the following statements regarding vehicles. MediPix Technology: 3. HELINA can be fired from Dhruv advanced light 1. A chip of MediPix has been developed to take helicopter and HAL Rudra attack helicopter. colour see-through images of body parts. Which of the statements given above is/are correct? 2. MediPix Technology is developed by European (a) 1 only (b) 2 and 3 Space Agency. (c) 1, 2 and 3 (d) None of the above Which of the statements given above is/are correct? (a) 1 only (b) 2 only 19. A new Gamma Ray Telescope is being established (c) Both 1 and 2 (d) Neither 1 nor 2 in Laddakh. In this context, consider the following statements: 14. The Indian Government is planning to launch 5G 1. This will be the first such telescope to be available in India soon. In this context, consider the globally. following statements regarding the Millimeter 2. Gamma rays are the longest waves and therefore Waves: have the highest energy in the electromagnetic 1. Millimeter waves are broadcasted at frequencies spectrum. between 30 and 300 gigahertz. 3. Earth’s atmosphere blocks most gamma rays. 2. Millimeter waves can easily travel through Which of the statements given above is/are correct? buildings or obstacles and they can be absorbed by (a) 1 only (b) 2 and 3 tree cover and rain. (c) 3 only (d) 1, 2 and 3 Which of the statements given above is/are correct? (a) 1 only (b) 2 only 20. Cyclone-30, the name sometimes seen in news, is (c) Both 1 and 2 (d) Neither 1 nor 2 associated with which of the following: (a) India’s biggest cyclotron facility to produce 15. With respect to the ‘Gaganyan Mission’, consider radioisotopes the following statements: (b) India’s cyclone detecting laboratory 1. It is India’s first manned space mission. (c) Cyclone recently devastated the Indonesian island 2. It will be launched through PSLV MK III flight. (d) Name of NASA’s aircraft 21. Which of the following might led to significant 1. It is the world’s largest experimental fission facility. changes in future jobs in the world? 2. India is one of the party of ITER. 1. High-speed mobile internment 3. It will use hydrogen fusion to produce massive 2. Cloud technology heat energy. 3. Artificial intelligence Which of the statements given above is/are correct? 4. Robots and automation (a) 1 only (b) 1 and 2 Select the correct answer using the code given below: (c) 2 and 3 (d) 1,2 and 3 (a) 1 and 2 (b) 2,3 and 4 (c) 3 and 4 (d) 1,2, 3 and 4 27.STAR-C sometimes seen in the news is related to which of the following? 22.