21. Which one among the following correctly stands for the acronym AWACS?
(a) Advanced Warning and Critical Scanning
(b) Airborne Warfare and Critical Systems
(c) Airborne Warning and Control System
(d) Airborne Warfare and Control System
Answer: c
22. As a countermeasure — to drone surveillance, an effective way is to use electromagnetic (EM) drone jamming to disrupt the GPS and communication system of the drones. Which one among the following is the correct frequency range used for EM drone jamming?
(a) Far-infrared frequency
(b) Visible frequency
(c) Microwave frequency
(d) Radio frequency
Answer: d
23. Which one among the following is the correct method employed by GPS to find the location of a target?
(a) Triangulation method, which measures location of the target using straight lines with target location from a satellite.
(b) Dilation method, which measures distance of target from the designated geostationary satellite.
(c) Measurement of the distance of target from the designated polar satellite.
(d) From the designated polar satellite.
Answer: a
24. Which one among the following is the correct nature of the substance filling up the pleural cavity, the space between the lungs and the chest?
(a) Liquid
(b) Dry air
(c) Humid air
(d) Fatty muscle
Answer: a
25. Which one among the following statements with regard to fatty acids is correct?
(a) Most fatty acids have carboxyl group at one end and methyl group at the other end.
(b) Saturated fatty acids carry even number of double bonds between carbon atoms.
(c) Saturated fatty acids carry odd number of double bonds between carbon atoms.
(d) Monounsaturated fatty acids carry as many hydrogen atoms as they can.
Answer: a
26. Which one among the following are the primary reactant of photochemical smog?
(a) Sulphur Hexafluoride and Soot
(b) Carbon Monoxide and Ozone
(c) Nitric Oxide and Unburnt Hydrocarbons
(d) Peroxy Radicals and Sub-oxides
Answer: c
27. Which one among the following is known as Carbolic acid?
(a) Phenol
(b) Alcohol
(c) Ether
(d) Acetone
Answer: a
28. Which one among the following is the primary commercial use of Amines?
(a) Development of explosives
(b) Synthesis of medicines and fibres
(c) Development of batteries
(d) Stem cell therapy
Answer: b
29. Which one among the following with regard to ChatGPT is correct?
(a) It is based on large language model (LLM).
(b) It is a high level, predictive Artificial Intelligence
(c) high level scientific computer language.
(d) It is chatting software.
Answer: a
ChatGPT is a large language model (LLM). It is a type of generative AI that uses a deep learning architecture, specifically a transformer, to understand context and generate human-like text in response to user prompts.
30. For training and deploying complex models in Artificial Intelligence, which one among the following is preferred?
(a) Central Processing Units
(b) Graphics Processing Units
(c) Read Only Memory
(d) Solid State Drives
Answer: b