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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

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?

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

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

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.

The news has always ____________ predicated on informing the consumer. It speaks of — apart from the day’s most ____________ upheavals — the best and the worst that _____________ has managed to accomplish each day. This includes the medal-winners, the laureates, the record-breakers, the deal-makers _________the criminals, the villains, the corrupt. The news regales us ________ the highlights, a reel of the most provoking ones that made it into a window of a half-an-hour.

Curd contains mainly ___ acid.

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 andindicate it by selecting the appropriate option.

The employee did not _____ to the argument of the manager.