Questions

Instrument for measuring wind velocity is called

Kanha National Park saving the rare and almost extinct species of the Swamp Deer, also known as

Union Minister of Road Transport and Highways Nitin Gadkari represent which constituency?

What are the four bases that make up DNA?

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

To lift or haul something heavy with great effort.

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

We acted on a __________ impulse.

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

Propitious