Practice Questions

UPSC Prelims - Science & Technology - Previous Year Questions

Recently, the term “pumped-storage hydropower” is discussed in the context of which one of the follo...

UPSC Prelims - Science & Technology - Previous Year Questions

“Membrane Bioreactors” are often discussed in the context of:

UPSC Prelims - Science & Technology - Previous Year Questions

2023: Consider the following heavy industries – Fertilizer plants; Oil refineries; Steel plants. Gre...

UPSC Prelims - Science & Technology - Previous Year Questions

“Wolbachia method” is sometimes talked about with reference to which one of the following?

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following activities: Spreading finely ground basalt rock on farmlands; Increasing the ...

UPSC Prelims - Science & Technology - Previous Year Questions

“Aerial metagenomics” best refers to which one of the following situations?

UPSC Prelims - Science & Technology - Previous Year Questions

Microsatellite DNA is used in the case of which one of the following?

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements regarding carbon fibres: 1. Carbon fibres are used in the manufact...

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following actions: Detection of car crash leading to airbag deployment; Detection of ac...

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to the role of biofilters in Recirculating Aquaculture Systems, consider the followin...

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following pairs: Cepheids : Giant clouds of dust and gas in space; Nebulae : Stars whic...

UPSC Prelims - Science & Technology - Previous Year Questions

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

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements regarding missile types: Statement 1: Ballistic missiles are jet-p...

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to green hydrogen, consider the following statements: 1. It can be used directly as a...

UPSC Prelims - Science & Technology - Previous Year Questions

2022: “Biorock technology” is talked about in which one of the following situations?

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements regarding DNA Barcoding: It can be used to distinguish among speci...

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements in respect of probiotics: 1. Probiotics are made of both bacteria ...

UPSC Prelims - Science & Technology - Previous Year Questions

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

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to “Software as a Service (SaaS)”, consider the following statements: SaaS buyers can...

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to Web 3.0, consider the following statements: It enables people to control their own...

UPSC Prelims - Science & Technology - Previous Year Questions

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

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following communication technologies: Closed-circuit Television; Radio Frequency Identi...

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements regarding nanoparticles: Other than those made by humans, nanopart...

UPSC Prelims - Science & Technology - Previous Year Questions

If a major solar storm reaches the Earth, which of the following are the possible effects? GPS and n...

UPSC Prelims - Science & Technology - Previous Year Questions

Which one of the following best reflects the idea behind the “Fractional Orbital Bombardment System”...

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to green hydrogen, consider the following statements: It can be used directly as a fu...

UPSC Prelims - Science & Technology - Previous Year Questions

2022: “Biorock technology” is talked about in which one of the following situations?

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements regarding DNA Barcoding as a tool: It can distinguish among specie...

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements in respect of probiotics: 1. Probiotics are made of both bacteria ...

UPSC Prelims - Science & Technology - Previous Year Questions

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

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to “Software as a Service (SaaS)” consider the following statements: SaaS buyers can ...

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to Web 3.0, consider the following statements: It enables people to control their own...

UPSC Prelims - Science & Technology - Previous Year Questions

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

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following communication technologies: Closed-circuit Television; Radio Frequency Identi...

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements regarding nanoparticles: Other than those made by humans, nanopart...

UPSC Prelims - Science & Technology - Previous Year Questions

If a major solar storm reaches the Earth, which of the following are the possible effects? GPS and n...

UPSC Prelims - Science & Technology - Previous Year Questions

Which one of the following best reflects the idea behind the “Fractional Orbital Bombardment System”...

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to the Indian Patents Act and related provisions, which of the following statements i...

UPSC Prelims - Science & Technology - Previous Year Questions

2021: Bollgard I and Bollgard II technologies are mentioned in the context of

UPSC Prelims - Science & Technology - Previous Year Questions

In the context of hereditary diseases, consider the following statements: Mitochondrial replacement ...

UPSC Prelims - Science & Technology - Previous Year Questions

The term “ACE2” is talked about in the context of

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following statements regarding adenoviruses and retroviruses: Adenoviruses have single ...

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to Recombinant Vector Vaccines, consider the following statements: Genetic engineerin...

UPSC Prelims - Science & Technology - Previous Year Questions

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

UPSC Prelims - Science & Technology - Previous Year Questions

In a pressure cooker, the temperature at which food is cooked depends mainly upon which of the follo...

UPSC Prelims - Science & Technology - Previous Year Questions

Consider the following organisms: Bacteria; Fungi; Virus. Which of the above can be cultured in an a...

UPSC Prelims - Science & Technology - Previous Year Questions

With reference to street–lighting, how do sodium lamps differ from LED lamps?

UPSC Prelims - Science & Technology - Previous Year Questions

Bisphenol A (BPA), a cause of concern, is a structural component in the manufacture of which of the ...

UPSC Prelims - Science & Technology - Previous Year Questions

“Triclosan”, considered harmful when exposed to high levels for long durations, is most likely prese...

UPSC Prelims - Science & Technology - Previous Year Questions

Water can dissolve more substances than any other liquid because