UPSC CSE Prelims · 2023
UPSC Prelims 2023 Science — Solved PYQs with Answers
11 solved UPSC (IAS) Prelims 2023 Science & Technology previous year questions, each with the correct answer and a detailed explanation.
← All UPSC 2023 PYQs · All Science PYQs · Science strategy
- ‘Aerial metagenomics’ best refers to which one of the following situations?
- Microsatellite DNA’ is used in the case of which one of the following?
- ‘Wolbachia method’ is sometimes talked about with reference to which one of the following?
- Consider the following pairs: Objects in space Description 1. Cepheids Giant clouds of dust and gas in space 2…
- Which one of the following countries has its own Satellite Navigation System?
- Consider the following statements: 1. Ballistic missiles are jet-propelled at subsonic speeds throughout their…
- Consider the following heavy industries: 1. Fertilizer plants 2. Oil refineries 3. Steel plants Green hydrogen…
- Consider the following activities: 1. Spreading finely ground basalt rock on farmlands extensively 2. Increasi…
- Consider the following actions: 1. Detection of car crash/collision, which result in the deployment of airbags…
- With reference to the role of biofilters in Recircu- lating Aquaculture System, consider the following stateme…
- With reference to green hydrogen, consider the following statements: 1. It can be used directly as a fuel for …