UPSC Prelims Q. ‘Invasive Species Specialist group’ (that develops Global Invasive Species Database) belongs to which one of the following organizations?
UPSC Prelims Q. Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?
UPSC Prelims Q. Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?
UPSC Prelims Q. With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements:
UPSC Prelims Q. Which of the following can be found as pollutants in the drinking water in some parts of India?
UPSC Prelims Q. In the grasslands, trees do not replace the grasses as a part of an ecological succession because of
UPSC Prelims Q. Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?