Technology PYQ

Which of the following statements with regard to drone swarms is/are correct? 1. They use Terahertz band of frequency to communicate with the command centre. 2. Individual drones in the swarm can communicate with other drones in the swarm. 3. GPS Spoofing is a commonly used technique to counter drone swarm attack. Select the answer using the code given below:

Consider the following statements with regard to involvement of private entities in India's space programme: 1. The Indian National Space Promotion and Authorisation Centre (IN-SPACe) is an autonomous agency formed to facilitate participation of private entities. 2. Agnikul Cosmos launched the world's first flight using 3D-printed rocket engine. 3. Skyroot Aerospace has developed liquid fuel for GSLV. Which of the statements given above is/are correct?

Which of the following statements regarding the features of blockchain technology are correct? 1. Records stored in the database may be made visible to relevant stakeholders without risk of alteration. 2. Copies of the entire database are stored on multiple computers on a network, syncing within seconds. 3. Consortium blockchain is a blend of public and private blockchains allowing selective data access. 4. Mathematical algorithms make it impossible to change or delete any data once recorded and accepted. Select the answer using the code given below:

Which of the following statements with regard to Black Boxes used in modern aircrafts is/are correct? 1. They carry a beacon emitting red light pulses to facilitate underwater detection. 2. They record both the cockpit voice and flight data. 3. Their memory units are made using either stainless steel or titanium. Select the answer using the code given below:

Which of the following statements with regard to Large Language Models (LLMs) used in machine learning is/are correct? 1. LLMs assign probabilities to the next possible words and then pick the one with the highest probability. 2. LLMs process data through mathematical optimization to minimise prediction errors. 3. LLMs produce unbiased outputs. Select the answer using the code given below:

Which of the following statements with regard to GenomeIndia Project is/are correct? 1. It is a part of the Human Genome Project. 2. The project is funded by the Department of Biotechnology (DBT), Government of India. 3. Its primary aim is to build a catalogue of genetic diversity of the Indian population. Select the answer using the code given below:

GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are correct in respect of GAGAN? 1. It is designed to provide additional accuracy and integrity. 2. It will allow more uniform and high quality air traffic management. 3. It will provide benefits only in aviation but not in other modes of transportation. Select the correct answer using the code given below.

Consider the following statements about 'PM Surya Ghar Muft Bijli Yojana' : 1. It targets installation of one crore solar rooftop panels in the residential sector. 2. The Ministry of New and Renewable Energy aims to impart training on installation, operation, maintenance and repairs of solar rooftop systems at grassroot levels. 3. It aims to create more than three lakhs skilled manpower through fresh skilling, and up-skilling, under scheme component of capacity building. Which of the statements given above are correct?

Consider the following statements : 1. It is expected that Majorana 1 chip will enable quantum computing. 2. Majorana 1 chip has been introduced by Amazon Web Services (AWS). 3. Deep learning is a subset of machine learning. Which of the statements given above are correct?

Consider the following substances : 1. Ethanol 2. Nitroglycerin 3. Urea Coal gasification technology can be used in the production of how many of them?

Consider the following types of vehicles : 1. Full battery electric vehicles 2. Hydrogen fuel cell vehicles 3. Fuel cell-electric hybrid vehicles How many of the above are considered as alternative powertrain vehicles?

With reference to 'Direct Air Capture', an emerging technology, which of the following statements is/are correct? 1. It can be used as a way of carbon sequestration. 2. It can be a valuable approach for plastic production and in food processing. 3. In aviation, it can be a source of carbon for combining with hydrogen to create synthetic low-carbon fuel. Select the correct answer using the code given below.

Consider the following statements : 1. Indian Railways have prepared a National Rail Plan (NRP) to create a 'future ready' railway system by 2028. 2. 'Kavach' is an Automatic Train Protection system developed in collaboration with Germany. 3. 'Kavach' system consists of RFID tags fitted on track in station section. Which of the statements given above are not correct?

In the context of electric vehicle batteries, consider the following elements : 1. Cobalt 2. Graphite 3. Lithium 4. Nickel How many of the above usually make up battery cathodes?

With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements : 1. All types of UAVs can do vertical landing. 2. All types of UAVs can do automated hovering. 3. All types of UAVs can use battery only as a source of power supply. How many of the statements given above are correct?

With reference to monoclonal antibodies, often mentioned in news, consider the following statements : 1. They are man-made proteins. 2. They stimulate immunological function due to their ability to bind to specific antigens. 3. They are used in treating viral infections like that of Nipah virus. Which of the statements given above are correct?

With reference to radioisotope thermoelectric generators (RTGs), consider the following statements : 1. RTGs are miniature fission reactors. 2. RTGs are used for powering the onboard systems of spacecrafts. 3. RTGs can use Plutonium-238, which is a by-product of weapons development. Which of the statements given above are correct ?

In which of the following are hydrogels used ? 1. Controlled drug delivery in patients 2. Mobile air-conditioning systems 3. Preparation of industrial lubricants Select the correct answer using the code given below :

Consider the following statements : 1. Statement-I : India does not import apples from the United States of America. 2. Statement-II : In India, the law prohibits the import of Genetically Modified food without the approval of the competent authority. Which one of the following is correct in respect of the above statements ?

"Membrane Bioreactors" are often discussed in the context of :

Which one of the following words/phrases is most appropriately used to denote "an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of users, who can exert property rights over virtual items" ?

Consider the following: 1. Battery storage 2. Biomass generators 3. Fuel cells 4. Rooftop solar photovoltaic units How many of the above are considered "Distributed Energy Resources"?

Recently, the term "pumped-storage hydropower" is actually and appropriately discussed in the context of which one of the following ?

Consider the following materials: 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?