UPSC Prelims 2023

Q90. Consider the following: Aerosols Foam agents Fire retardants Lubricants In the making of how many of the above are hydrofluorocarbons used? Only one Only…

Q89. Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of…

Q88. Consider the following: Some microorganisms can grow in environments with temperature above the boiling point of water. Some microorganisms can grow in environments with…

Q87. Consider the following statements regarding the Indian squirrels: They build nests by making burrows in the ground. They store their food materials like nuts…

Q86. Consider the following statements: Some mushrooms have medicinal properties. Some mushrooms have psycho active properties Some mushrooms have insecticidal properties. Some mushrooms have biolumi…

Q85. Which of the following organisms perform ) Waggle dance for others of their kin to indicate the direction and the distance to a source…

Q84. Consider the following fauna: Lion-tailed Macaque Malabar Civet Sambar Deer How many of the above are generally nocturnal or most active after sunset? Only…

Q83. Invasive Species Specialist Group' (that develop Global Invasive Species Database) belongs to which one of the following organizations? The International union for Conservation of…

Q82. Consider the following statements: Statement-I Marsupials are not naturally found in India. Statement-II Marsupials can thrive only in montane grasslands with no predators. Which…

Q81. Consider the following statements: Statement-I: India, having uranium deposits, depends on coal for most of its electricity production. Statement-II: Uranium, enriched to the extent…