Questions

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.

One of the two important manifestations of antigen-antibody immunity is lysis while the other is

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

National integration means _____ all the people of the nation into a single whole. It is a _____ that bends together all people in one _____ bond no matter what their religion, caste, language or history may be. It is a _____ cementing force whereby all kinds of people live _____ peacefully and can identify themselves as a part and parcel of a nation.

National integration means _____ all the people of the nation into a single whole.

On 26 October 2017, which company became the first ever Indian company to cross a market capitalization of Rs 6 trillion?

In November 2017, second phase of ‘Bharat Net Project’ was launched. How much is its approximate outlay?

Which among the following is not an environment friendly mode of producing electricity?

Anti-defection law was passed in which Constitutional Amendment Act?

What are the receptors for detecting taste called?

Which is the only organ in the human boddy that can regrow/regenerate?