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 questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

As if aware of my condition (A) / the infuriated bird suddenly doubled back on its course (B) / and charged straight after me (C) / No error (D)

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.

An ideal policeman is a myth. You come __________ him only in crime fiction. ____________ elusive is 'good policing', an idea ___________ even the best of criminal justice thinkers have found it difficult to define. This is why, in what is a chaotic world, we have to reluctantly _____________ for an imperfect policeman and ________ inadequate system.

an idea ___________ even the best of criminal justice thinkers have found

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Silver bullet

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.

These terms imply two different distinct functions of the human mind. The active function _______________ the volitional, voluntary thinking. It is the conscious focusing of the mind _________ some mental problem. Banishing ________ the mind all thoughts and ideas _______ in harmony with your special subject of study implies Active Mentation. This function is used _________ the active, wide-awake man in his busy and energetic moments.

and ideas _______ in harmony with your special

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Chink in one's armour

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

I could scarcely think(A)/ what I was saying,(B)or what was being said to me.(C)/No error(D)

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