Exams

The Indian musical instrument 'Samvadini' is which type?

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

The tropical storm (be) a hurricane

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Inference

CIPAM is planning to launch a scheme for raising intellectual property rights awareness at a cost of Rs 29.7 crore. What does ‘C’ stand for in ‘CIPAM’?

The northern plain of India has been formed by the interplay of the three major river systems, namely– the Indus, the Ganga and the ___________.

If the simple interest on Rs. 1 for 1 month is 1 paisa, then the rate percent per annum will be

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?

A man walks 7 km towards south and turns to the left. After walking 5 km, he turns to the right and walks 7 km. In which direction is he now from the starting point?