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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 question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

To understand the nature of electromagnetic radiation, it is imperative that we grasp the _______ nature of light.

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.

______________ reader can add to the list and to the possibilities of a new ethical and moral politics _________________ requires a Gandhian inventiveness of ritual and politics. What I wish to add is a ___________________. The rituals of apology and the question of justice, reconciliation and ethical repair are not easy. They require a rigour and an inventiveness _____________ ethical thinking which ___________________ new experiments with the idea of truth and healing in India.

They require a rigour and an inventiveness _____________ ethical thinking

'Stand up India' scheme launched by the Prime Minister recently is related with

The  Most  Favoured  Nation  (MFN)  Clause under   WTO   regimeis   based   on   the principle of 

Knife is an example for

Which company has partnered with SIDBI, to provide a finance scheme to MSMEs in rooftop solar segment?

Ramesh starts his journey by walking 2 kilometres towards North. Then he takes a right turn and walks 1 kilometre. Again takes a right turn and walks 2 kilometre. Now which direction is he facing?