Questions

Who is the Vice Chairperson of NITI Aayog ?

Out of the 22 parts of the Indian Constitution that originally existed during its formation, the only part which has been deleted is

On 9 January 2018, the Companies (Amendment) Act, 2017 amended some provisions of ______.

Who took charge as the new Comptroller and Auditor General (CAG) of India in 2017?

Which one of the following is not a correct ascending order of commissioned ranks in the defence forces of India?

 ____________ scheme was launched by the Central Government in the state of Bihar to provide clean water of the Ganges to domestic areas via postal services.

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

To break the ice

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

The antigen-antibody immunological reaction is used to be regarded as typical of immunological responses. Antibodies are proteins synthesized by specialized cells called plasma cells, which are formed by lymphocytes (cells from the lymph system) when an antigen, a substance foreign to an organism's body, comes in contact with lymphocytes. Two important manifestations of antigen-antibody immunity are lysis, the rapid physical rupture of antigenic cells and the liberation of their contents into the surrounding medium, and phagocytosis, a process in which antigenic particles are engulfed by and very often digested by macrophages and polymorphs. The process of lysis is executed by a complex and unstable blood constituent known as complement, which will not work unless it is activated by a specific antibody; the process of phagocytosis is greatly facilitated when the particles to be engulfed are coated by a specific antibody directed against them.

What are antibodies?