UPSC Exam Alert Archives

All the answers on this page have been updated with the official answer key of UPSC Q.1) With reference to carbon nanotubes, consider the following statements: 1. They can be used as carriers of drugs and antigens in the human body. 2. They can be made into artificial blood capillaries for an injured part of… Continue reading Question paper: Prelims 2020 General Studies Paper 1