UPSC Prelims 2023 Science & Technology

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

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 peri...

Consider the following statements: 1. Some microorganisms can grow in environments with temperature above the boiling point of water. 2. Some microorganisms ...

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

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

Consider the following statements: 1. Some mushrooms have medicinal properties. 2. Some mushrooms have psychoactive properties. 3. Some mushrooms have insect...

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

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

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

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