UPSC Science & Technology Questions

Consider the following statements: Statement-I: Giant stars live much longer than dwarf stars. Statement-II: Compared to dwarf stars, giant stars have a greater…

Consider the following aircraft: 1. Rafael 2. MiG-29 3. Tejas MK-1 How many of the above are considered fifth Generation fighter aircraft?

Consider the following actions: 1. Detection of car crash/collision which results in the deployment of airbags almost instantaneously 2. Detection of accidental…

Consider the following statements: 1. Carbon fibres are used in the manufacture of the components used in automobiles and aircrafts. 2. Carbon fibres once used …

Which one of the following countries has its own Satellite Navigation System?

Consider the following pairs: Objects in space Description 1. Cepheids : Giant clouds of dust and gas in space 2. Nebulae : Stars which brighten and dim periodi…

Consider the following statements: 1. Ballistic missiles are jet-propelled at subsonic speeds throughout their flights, while cruise missiles are rocket powered…

Consider the following: 1. Aarogya Setu 2. CoWIN 3. DigiLocker 4. DIKSHA Which of the above are built on top of open-source digital platforms?

Which one of the following is the context in which the term “qubit” is mentioned?

Consider the following communication technologies : 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the a…

Which one of the following statements best reflects the idea behind the “Fractional Orbital Bombardment System” often talked about in the media?

With reference to “Software as a Service (SaaS)”, consider the following statements : 1. SaaS buyers can customise the user interface and can change data fields…

Which one of the following statements best describes the role of B cells and T cells in the human body?

In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements : 1. The Serum Institute of India produced COVID-19 vacc…

Water can dissolve more substances than any other liquid because

Which one of the following is a reason why astronomical distances are measured in light-years?

In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following? 1. Area of the hole in the lid 2. Temperature of t…

With reference to street-lighting, how do sodium lamps differ from LED lamps? 1. Sodium lamps produce light in 360 degrees but it is not so in the case of LED l…

In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following? 1. Area of the hole in the lid 2. Temperature of t…

Which one of the following is a reason why astronomical distances are measured in light-years?