UPSC Prelims Test Series - Test 07(General Science & Technology)

100 Questions | Attempts: 82
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  • 1/100 Questions

    Which of the following is a correct statement regarding cruise missiles?

    • Can be launched from air, land and sea and fly within Earth’s atmosphere.
    • They rely on Earth’s gravity to fly down once launched.
    • They fly in the exo-atmosphere.
    • None
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UPSC Prelims Test Series - Test 07(General Science & Technology) - Quiz

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  • 2. 

    Pneumoconiosis affects which of the following organs?

    • Liver

    • Kidney

    • Lungs

    • Spleen

    Correct Answer
    A. Lungs
    Explanation
    The term 'pneumoconiosis' refers to a group of lung diseases caused by the inhalation - and retention in the lungs - of dusts. The most commonly occurring types of pneumoconiosis (apart from asbestosis) are coal workers pneumoconiosis, arising from the inhalation of coal dust, and silicosis .

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  • 3. 

    Which of the following statements regarding Rashtriya Gokul Mission are correct? 1. It deals with the development and conservation of indigenous bovine breeds to enhance milk production and productivity. 2. Sahiwal is an indigenous cow breed. Options:

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    The “RashtriyaGokul Mission” aims to conserve and develop indigenous breeds.
    The Mission will be implemented with the objectives to: a) development and conservation of indigenous breeds b) undertake breed improvement programme for indigenous cattle breeds so as to improve the genetic makeup and increase the stock; c) enhance milk production and productivity; d) upgrade nondescript cattle using elite indigenous breeds like Gir, Sahiwal, Rathi, Deoni, Tharparkar, Red Sindhi and e) distribute disease free high genetic merit bulls for natural service.

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  • 4. 

    Consider the following statements: 1. Formalin is being used in the fishing industry to increase the shelf-life of fish 2. International agency for research on cancer and US FDA both classify formaldehyde as a human carcinogen. It increases risk of leukaemia, blood cancer etc. Which of the above are correct?

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    Both are correct.
    • Formalin (formaldehyde) is an anti-decomposition agent.
    Short term damages for formaldehyde are watery eyes, coughing, wheezing, nausea and skin irritation.
    • International agency for research on cancer and US FDA both classify formaldehyde as a human carcinogen. It increases risk of leukaemia, blood cancer etc.
    • The most common reasons for using formalin is the easy availability, unavailability of good quality ice at harvest centres, inadequate insulation during domestic transport and lack of warehousing facility for bulk storage of fish.

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  • 5. 

    Consider the following statements regarding Electronic Vaccine Intelligence Network (EVIN). 1. It is an indigenously developed technology system in India that provides real-time information on vaccine stocks and flows. 2. UNDP is a partner in EVIN. 3. It aims to support the Government of India’s Universal Immunization Programme. Identify correct statements:

    • 1 Only

    • 1 & 2 Only

    • 1, 2 &3

    • 2 Only

    Correct Answer
    A. 1, 2 &3
    Explanation
    It aims to support the Government of India’s Universal Immunization Programme. It is an indigenously developed technology system in India that provides real-time information on vaccine stocks and flows, and storage temperatures across all cold chain points; right down to vaccine storage points in state, district and health centres, using mobile and web-based dashboards. In partnership with the Ministry of Health and Family Welfare, UNDP is currently rolling out eVIN in 12 states.

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  • 6. 

    International Rice Research Institute is headquartered in which of the following countries?

    • Japan

    • China

    • Philippines

    • India

    Correct Answer
    A. Philippines
    Explanation
    The International Rice Research Institute (IRR1. is an international agricultural research and training organization with headquarters in Los Baños, Laguna in the Philippines.

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  • 7. 

    Which of the following statements regarding Saint ramanujacharya are correct? 1. He is a Vaishnavite saint. 2. His philosophy became known as vishishtadvaita. Options:

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    Ramanujacharya is a vaishnavite saint who proposed the philosophy of Vishishtadvaita or Qualified dualism.

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  • 8. 

    The concept ‘90-90-90’, recently in news, is associated to

    • Women empowerment

    • Organic farming

    • Controlling of HIV/AIDS

    • Renewable energy

    Correct Answer
    A. Controlling of HIV/AIDS
    Explanation
    The concept ‘90-90-90’ is associated to controlling of HIV/AIDS. This concept was introduced by the United Nations programme on HIV/AIDS in 2013, 90-90-90 is a set of goals. The idea is that by 2020, 90% of people who are HIV infected will be diagnosed, 90% of people who are diagnosed will be on antiretroviral treatment and 90% of those who receive antiretroviral will be virally suppressed. Viral suppression is when a person’s viral load - or the amount of virus in an HIV-positive person’s blood – is reduced to an undetectable level.

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  • 9. 

    Which of the following is a correct statement regarding GRAPES-3 experiment?

    • It is an initiative of NASA.

    • It is related to renewable energy technology.

    • It is related to detect the effect of a solar storm.

    • None

    Correct Answer
    A. It is related to detect the effect of a solar storm.
    Explanation
    GRAPES-3 experiment is an India-Japanese collaboration. It is a special telescope-array established in Ooty to detect muons from cosmic ray.
    It can be used to study solar storms and space weather at distances upto two times the earth's radius.

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  • 10. 

    Which of the following is a correct statement regarding LIGO?

    • It is a Chinese satellite.

    • It is an American satellite.

    • It is a satellite launched to detect radio waves.

    • It is a system to detect gravitational waves.

    Correct Answer
    A. It is a system to detect gravitational waves.
    Explanation
    The Laser Interferometer Gravitational-Wave Observatory is a large-scale physics experiment and observatory to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool.

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  • 11. 

    Consider the following statements: 1. Advanced heavy-water reactor (AHWR) forms the third stage in India's three-stage nuclear program. 2. They are thorium based reactors. Which of the statements given above is/are correct?

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    The advanced heavy-water reactor (AHWR) is the latest Indian design for a next-generation nuclear reactor that burns thorium in its fuel core. It is slated to form the third stage in India's three-stage fuel-cycle plan.

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  • 12. 

    Which of the following is/are Indian research stations in Antarctica? 1. Dakshin Gangotri 2. Himadri 3. Maitri 4. Bharti Select the correct answer using the codes given below:

    • 1 and 4 only

    • 1, 3 and 4 only

    • 2 and 3 only

    • 1, 2, 3 and 4

    Correct Answer
    A. 1, 3 and 4 only
    Explanation
    Himadri is not an Antarctica research station. It is an Arctic research station.

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  • 13. 

    Consider the following statements regarding endosulfan. 1. Kerala and Karnataka have a large number of endosulfan victims. 2. Endosulfan is a banned insecticide according to the Stockholm convention. Identify correct statements:

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    Dakshina Kannada and the Kasaragod districts of Karnataka and Kerala have a large number of endosulfan victims. Endosulfan is banned under the Stockholm convention.

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  • 14. 

    Which of the following is not a part of Integrated Guided Missile Development Program (IGMDP)?

    • Agni series missiles

    • Prithvi Missiles

    • Astra Missile

    • Nag Missile

    Correct Answer
    A. Astra Missile
    Explanation
    Missiles developed under the IGMDP programme were:­ Prithvi, Agni, Trishul, Akash, Nag.

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  • 15. 

    Identify the correct statements from the following. 1. National Brain Research Centre is located at Gurugram. 2. Food and Agriculture Organization is Headquartered at Rome. Options:

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    Both the statements are correct.

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  • 16. 

    Which of the following blood groups may be present in children of couples having blood groups A and B respectively?

    • A & B only

    • A, B & O Only

    • A,B, AB & O

    • AB Only

    Correct Answer
    A. A,B, AB & O
    Explanation
    Most blood group genes are codominant. For example, in the ABO system, A and B genes are codominant;

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  • 17. 

    Which of the following is a correct statement regarding Ship Submersible Ballistic Nuclear (SSBN) submarine?

    • Scorpene class submarines in India are SSBN's.

    • These submarines do not carry any nuclear weapon.

    • INS Arihant is India’s only operational Ship Submersible Ballistic Nuclear (SSBN) asset.

    • None

    Correct Answer
    A. INS Arihant is India’s only operational Ship Submersible Ballistic Nuclear (SSBN) asset.
    Explanation
    Ship Submersible Ballistic Nuclear (SSBN) - are designed to prowl deep ocean waters carrying nuclear weapons and provide a nation with an assured second strike capability.
    INS Arihant is India’s only operational Ship Submersible Ballistic Nuclear (SSBN) asset.

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  • 18. 

    Which of the following is related to Mars exploration missions?

    • Opportunity

    • Curiosity

    • InSight

    • ALL

    Correct Answer
    A. ALL
    Explanation
    Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover that was active on Mars from 2004 to late 2018. Curiosity is a car-sized rover designed to explore the crater Gale on Mars as part of NASA's Mars Science Laboratory mission .
    The Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight)mission is a robotic lander designed to study the deep interior of the planet Mars. It was manufactured by Lockheed Martin, is managed by NASA's Jet Propulsion Laboratory, and most payload instruments it carries were built by European agencies.

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  • 19. 

    India’s seed vault is located at

    • Ladakh

    • Drasi

    • Siachen glacier.

    • Nainital

    Correct Answer
    A. Ladakh
    Explanation
    India’s seed vault is located at Chang La, Ladakh.

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  • 20. 

    Which of the following are the advantages of the ‘Neem’ coated urea? 1. It will help reduce the cost of agricultural production. 2. It will help reduce the pollution of water and soil. 3. It will increase India’s dependence on imported urea. Select the correct answer using the codes given below:

    • 1 only

    • 1 and 2 only

    • 2 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1 and 2 only
    Explanation
    Use of Neem coated urea would help us for increase of production of crops and reduction in production cost of the crops. Neem coated urea is helpful in reducing the pollution of water, soil and air. This is because normal uncoated urea not only results in degradation of soil but also gets released in the atmosphere and pollutes the air. During rain some uncoated urea mixes with the river water.
    Statement 3 is incorrect. It will decrease India’s dependence on imported urea as because of coating of urea by the neem that urea would be provided to farmer only. And illegal supply of urea to industry would be Prevented.

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  • 21. 

    Consider the following statements 1. There is no cure for thalassemia except bone marrow transplant (BMT). 2. Thalassaemia is considered as a disability rather than a health issue. Identify the correct statements:

    • Only 1

    • Only 2

    • Both 1 & 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 & 2
    Explanation
    It is a genetic blood disorder with no cure except bone marrow transplant. Thalassaemia is now considered as a disability under Rights of Persons with Disabilities Act 2016, rather than a health issue.

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  • 22. 

    Which of the following are associated with Global Innovation Index?

    • Cornell University

    • World Intellectual Property Organisation (WIPO)

    • INSEAD

    • ALL

    Correct Answer
    A. ALL
    Explanation
    The Global Innovation Index (G2. has ranked India as the 57th most innovative nation in the world. The GII is being developed jointly by Cornell University, Insead and the World Intellectual Property Organisation (WIPO)

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  • 23. 

    Which of the following diseases affects the lymphatic system?

    • Japanese Encephalitis

    • Elephantiasis

    • Kala azar

    • Malaria

    Correct Answer
    A. Elephantiasis
    Explanation
    The larvae of filial worms can live in human beings for up-to 5-8 years without showing any symptoms; however it damages the lymphatic system.

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  • 24. 

    The inner lining of the uterus is called?

    • Cervix.

    • Endometrium.

    • Oviduct.

    • Fimbriae.

    Correct Answer
    A. Endometrium.
    Explanation
    The endometrium is the inner lining of the Uterus in which the implantation takes place. This layer experiences morphologic and functional changes that are closely associated with the cyclic release of sexual hormones.

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  • 25. 

    International Sea Bed Authority is at:

    • Geneva

    • Washington

    • Kingston

    • London

    Correct Answer
    A. Kingston
    Explanation
    UN International Sea Bed Authority is an autonomous international organization situated at Kingston, Jamaica.
    • It was established under the UN Convention on the Law of the Sea (UNCLOS) in 1994 to to regulate the exploration and exploitation of marine non-living resources of oceans in international waters.

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  • 26. 

    Consider the following statements regarding biological drugs. 1. Biosimilars are the generic equivalents of Biological drugs. 2. Most Biological drugs are proteins. Identify the correct statements from the following.

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    A biosimilar medicine is a biological medicine that is developed to be highly similar and clinically equivalent to an existing biological medicine. Biological drugs are proteins, such as hormones or antibodies that the human body produces but in certain diseases, their production shuts down or weakens.

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  • 27. 

    Darwin performed experiments on Finches in the Galapagos islands. To which of the following countries do Galapagos islands belong to?

    • Brazil

    • Venezuela

    • Chile

    • Ecuador

    Correct Answer
    A. Ecuador
    Explanation
    Galapagos islands belong to Ecuador.On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to island, which helped him to develop his theory of natural selection.

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  • 28. 

    ROTAVAC is related to:

    • Typhoid

    • Cholera

    • Diarrhea

    • None

    Correct Answer
    A. Diarrhea
    Explanation
    Rotavac is a vaccine used to protect against rotavirus infections, which are the leading cause of severe diarrhea among young children.

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  • 29. 

    Identify the correct statements from the following. 1. There is a risk of vaccine derived polio if Oral Polio vaccine is used. 2. Samples from some Indian states showed the presence of Type 2 vaccine derived polio virus (VDVP). Options:

    • Only 1

    • Only 2

    • Both 1 & 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 & 2
    Explanation
    OPV is made up of attenuated or weakened poliovirus and there is a risk of vaccine derived polio. In India, samples from some states showed the presence of Type 2 vaccine derived polio virus (VDVP), which had undergone ten nucleotide changes.

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  • 30. 

    Mycobacterium Indicus Pranii, recently seen in news is related to.

    • Bioremediation

    • Vaccine

    • Bioweapon

    • None of the above

    Correct Answer
    A. Vaccine
    Explanation
    National Institute of Immunology has developed Mycobacterium Indicus Pranii (MIP), an indigenous vaccine for leprosy.

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  • 31. 

    Which of the following properties make Carbon dioxide a good fire extinguisher? 1. Carbon dioxide is lighter than oxygen. 2. Carbon dioxide expands enormously in volume. 3. Carbon dioxide is a bad conductor of electricity. Select the correct answer using the codes given below:

    • 1 only

    • 1 and 2 only

    • 2 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 2 and 3 only
    Explanation
    Statement 1 is incorrect. Carbon dioxide is heavier and denser than oxygen. Carbon dioxide quickly expands enormously in volume and cools down. This brings down the temperature of the fuel and consequently controls the fire. Carbon dioxide being a bad conductor of electricity, it can be safely used to extinguish fire from electrical equipment.

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  • 32. 

    The Global Multidimensional Poverty Index (MP1. was developed by

    • World Economic Forum (WEF)

    • United Nations Development Programme

    • Oxfam

    • World Bank

    Correct Answer
    A. United Nations Development Programme
    Explanation
    The Global Multidimensional Poverty Index (MP1. was developed in 2010 by the Oxford Poverty & Human Development Initiative (OPH1. and the United Nations Development Programme. and uses different factors to determine poverty beyond income-based lists. It replaced the previous Human Poverty Index. The global MPI is released annually by OPHI and the results published on its website.

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  • 33. 

    Project Sashakt is related to:

    • Women empowerment

    • Digital literacy

    • Resolution of stressed assets in banking sector

    • None

    Correct Answer
    A. Resolution of stressed assets in banking sector
    Explanation
    Project Sashakt aims to strengthen the credit capacity, credit culture and credit portfolio of public sector banks. It is a five-pronged strategy towards resolution of stressed assets, as recommended by Sunil Mehta Committee.

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  • 34. 

    Consider the following statements: 1. Tactical Missiles are long range missiles. 2. Strategic missiles are short range missiles. Which of the statements given above is/are correct?

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Neither 1 nor 2
    Explanation
    Strategic missiles are those that strike at the enemy’s heartland and fly thousands of kilometres. Thus, are long range missiles.
    Tactical weapons are those that influence a battle, and the battle may be by land, sea or air, or on all three together. They are short range missiles.

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  • 35. 

    The cloud computing, facilitates 1. Storing and accessing data and programs over the Internet instead of one’s computer's hard drive. 2. Metered service so that one only pays for what he uses. 3. All the Information Technology resources one needs with self-service access. Select the correct answer using the code given below.

    • 2 and 3 only

    • 1 only

    • 1 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1, 2 and 3
    Explanation
    Cloud computing is the practice of using a network of remote servers hosted on the Internet to store, manage, and process data, rather than a local server or a personal computer. Cloud computing has metered service where an user needs to pay for what he/she uses.
    Cloud computing is the delivery of on-demand computing resources where user can access the required features without any physical interference other person.

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  • 36. 

    Satellites with transponders are used for 1. Telemedicine 2. Search and Rescue 3. Weather forecasting 4. Disaster warning Select the correct answer using the code given below:

    • 1 and 2 only

    • 2, 3 and 4 only

    • 1, 2 and 3 only

    • 1, 2, 3 and 4

    Correct Answer
    A. 1, 2, 3 and 4
    Explanation
    A transponder is a wireless communications, monitoring, or control device that picks up and automatically responds to an incoming signal. The term is a contraction of the words transmitter and responder. Transponders can be either passive or active. Communication satellites and certain weather forecasting satellites are subjected to have the presence of transponders.

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  • 37. 

    Consider the following statements: 1. International Thermonuclear Experimental Reactor is related to nuclear fission. 2. Fission and fusion are nuclear processes by which atoms are altered to create energy. Which of the statements given above is/are correct?

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    The foundation of nuclear energy is harnessing the power of atoms. Both fission and fusion are nuclear processes by which atoms are altered to create energy.
    ITER (International Thermonuclear Experimental Reactor) is an international nuclear fusion research and engineering mega project.

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  • 38. 

    Identify correct statements from the following 1. Munnar is located in the Anamalai hills. 2. Kodaikanal is in the Palani hills. Options:

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Both 1 and 2
    Explanation
    Both the statements are correct.

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  • 39. 

    India’s redline campaign is associated with

    • Anti Terrorist operations.

    • Antibiotics.

    • Drug menace.

    • Missile development.

    Correct Answer
    A. Antibiotics.
    Explanation
    India’s Red Line campaign began marking prescription-only antibiotics with a red line to curb their irrational use and create awareness on the dangers of taking antibiotics without being prescribed.

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  • 40. 

    India’s first robotic telescope – Global Relay of Observatories Watching Transients Happen (GROWTH)-India, began its operation at :

    • Bengaluru

    • Udaipur

    • Ladakh

    • None

    Correct Answer
    A. Ladakh
    Explanation
    India’s first robotic telescope – Global Relay of Observatories Watching Transients Happen (GROWTH)-India, began its operation at the Indian Astronomical Observatory (IAO) in Hanule in Ladakh.

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  • 41. 

    With reference to Gravitational waves, which of the following statements is/are correct? 1. These are faint ripples in space time. 2. It is caused by the most violent and energetic processes in the Universe. 3. Gravitational waves move at the greatest speed possible in the universe, and thus it would travel at the speed of sound through the universe. Select the correct answer by using the codes given below:

    • 1 and 2 only

    • 1 and 3 only

    • 2 and 3 only

    • 1, 2 and 3

    Correct Answer
    A. 1 and 2 only
    Explanation
    Gravitational waves are 'ripples' in the fabric of space-time caused by some of the most violent and energetic processes in the Universe. Albert Einstein predicted the existence of gravitational waves in 1916 in his general theory of relativity. Einstein's mathematics showed that massive accelerating objects (such as neutron stars or black holes orbiting each other) would disrupt space-time in such a way that 'waves' of distorted space would radiate from the source (like the movement of waves away from a stone thrown into a pond). Furthermore, these ripples would travel at the speed of light through the Universe, carrying with them information about their cataclysmic origins, as well as invaluable clues to the nature of gravity itself.

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  • 42. 

    The term TAPAS related to DRDO is related to

    • It is an Unmanned Combat Aerial Vehicle developed to carry out surgical strikes.

    • It is an Unmanned Aerial Vehicle developed to carry out Intelligence, Surveillance and Reconnaissance roles for the Armed forces.

    • It is an anti-ballistic missile jointly developed by India and France.

    • It is an indigenous subsonic cruise missile developed by DRDO for the Armed forces.

    Correct Answer
    A. It is an Unmanned Aerial Vehicle developed to carry out Intelligence, Surveillance and Reconnaissance roles for the Armed forces.
    Explanation
    TAPAS is a long endurance Unmanned aerial vehicle (UAV) which used to be previously referred as Rustom-II, being developed by India on the lines of the American Predator drones. It is a kind of Medium Altitude Long Endurance (MALE) UAV. It has an endurance of 24 hours and can conduct surveillance and reconnaissance missions for the country’s armed forces.

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  • 43. 

    Consider the following statements: 1. India based neutrino observatory (INO) is the only of its kind in the world. 2. INO includes construction of an Iron Calorimeter (ICAL) detector. Which of the statements given above is/are correct?

    • 1 Only

    • 2 Only

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. 2 Only
    Explanation
    India based neutrino observatory(INO) :
    ● It is one of the biggest experimental particle physics projects undertaken in India.
    ● The project includes construction of an underground laboratory and associated surface facilities at Pottipuram in Bodi West hills of Theni District of Tamil Nadu.
    ● Also includes construction of an Iron Calorimeter (ICAL) detector for studying neutrinos, which will include the world's largest magnet.
    Other neutrino study projects:
    • LAGUNA (Large Apparatus studying Grand Unification & Neutrino Astrophysics) in Europe
    • Hyper Kamiokande Detector at Kamioka Observatory in Hida (Japan)
    • DUNE (Deep Underground Neutrino) project in South Dakota (US)

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  • 44. 

    Which of the following departments come under Ministry of Science and Technology? 1. Department of Scientific and Industrial Research. 2. Department of Biotechnology. 3. Department of Atomic energy. Codes:

    • Only 3

    • 1 and 3

    • 1 and 2

    • All

    Correct Answer
    A. 1 and 2
    Explanation
    Department of Atomic energy comes under Prime Minister Office.

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  • 45. 

    Eye in the sky "NETRA", is repeatedly in news. Which of the following is a correct statement regarding NETRA?

    • It is an Airborne Early Warning and Control System (AEWACS)

    • It is acquired from Israel.

    • This system gives 360-degree coverage of airspace.

    • None

    Correct Answer
    A. It is an Airborne Early Warning and Control System (AEWACS)
    Explanation
    The AEW&C NETRA has been indigenously developed by the Defence Research and Development Organisation (DRDO).
    AEW&C are airborne radar systems mounted on a carrier jet for airborne surveillance system i.e. to detect and track aircraft, missiles, ships and vehivehicles and provide command and control to direct friendly forces.
    It consists of active electronically scanned radar, secondary surveillance radar, electronic and communication counter measures, LOS (Line of Sight) and beyond-LOS data link, voice communication system.
    AEW&C NETRA system is based on Embraer aircraft (Emb-145 platform). It has self-protection suite and also mid-air refueling capability to enhance surveillance time.
    This system gives 240-degree coverage of airspace. DRDO has developed three NETRA systems and its three aircraft will be based at Bhatinda, facing the western border.
    With this India, joins group of other countries such as United States, Russia and Israel which have developed the AEW&C system.

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  • 46. 

    Gait analysis, recently seen in news is related to

    • Agricultural research

    • Forensic analysis

    • Cyber security

    • Immunology

    Correct Answer
    A. Forensic analysis
    Explanation
    Forensic gait analysis is a systematic study of how a person walks or runs (hence, “gait"). It involves a frame by frame examination of a person’s body (when they are moving) to identify a pattern called gait signature. To generate this signature, analysts take into account the person’s posture, length of strides, movement of hands, head tilt, distribution of weight and angle of feet during movement.

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  • 47. 

    Consider the following statements regarding Microarray technology. 1. Microarray technology can be used to study the expression of genes. 2. Microarray technology involves image processing. 3. It is a High throughput technology. Identify correct statements:

    • 1 & 2 Only

    • 2 & 3 Only

    • 1 & 3 Only

    • 1,2 & 3

    Correct Answer
    A. 1,2 & 3
    Explanation
    Microarray technology can be used to study the expression of genes by spotting DNA on chips and using dyes to label them. Image processing is an important step in Microarray data analysis to study the hybridization of DNA. It is a high throughput technique as it involves studying multiple genes simultaneously.

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  • 48. 

    Which of the following is a correct statement regarding quantum computing? 1. Data is encoded into binary digits (bits), each of which is always in one of two definite states (0 or 1). 2. They operate on principles of superposition and entanglement. 3. Data is stored in the form of qubits. 4. It is faster than the ordinary computers.

    • 1,2,4

    • 2,3,4

    • 1,3,4

    • 4 Only

    Correct Answer
    A. 2,3,4
    Explanation
    A quantum computer is a device that performs quantum computing. They are different from binary digital electronic computers based on transistors. Whereas common digital computing requires that the data be encoded into binary digits (bits), each of which is always in one of two definite states (0 or 1), quantum computation uses quantum bits, which can be in superpositions of states.
    • Quantum computers operate according to two key principles of quantum physics: superposition and entanglement.
    • Superposition means that each qubit can represent both a 1 and a 0 at the same time. Entanglement means that qubits in a superposition can be correlated with each other; that is, the state of one (whether it is a 1 or a 0) can depend on the state of another.
    • Using these two principles, qubits can act as more sophisticated switches, enabling quantum computers to function in ways that allow them to solve difficult problems that are intractable using today’s computers.

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  • 49. 

    Kilkari scheme is implemented by which of the following ministries?

    • Ministry of Human Resources and Development.

    • Ministry of Agriculture.

    • Ministry of Health and Family welfare.

    • Ministry of Women and Child Development.

    Correct Answer
    A. Ministry of Health and Family welfare.
    Explanation
    Kilkari scheme is implemented by Ministry of Health and Family welfare. It aims to give free, weekly, time-appropriate 72 audio messages about pregnancy, child birth and child care directly to families’ mobile phones from the second trimester of pregnancy until the child is one year old.

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