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.

Which of the following statement is true in the context of the essay?

In the following question, a sentence / a part of sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is required, choose "No Improvement" option.

We insist on you leaving the meeting immediately.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

To regard with disgust and hatred.

What is the smallest particle of matter?

Order Primata comprising monkey, gorilla and gibbon is placed in class Mammalia along with order Carnivora that includes?

Which agency in India provides refinance of export credit?

In which year did Kyoto Protocol came into force?

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Reprimand