Questions

Thermohaline circulation is mainly due to

In the following question, a sentence is given with some bold words which may contain errors. Below the sentence, a table is given with two columns in which column 'A' contains the list of bold words, and in column 'B' the suggested corrections are listed. You have to choose the best alternative among the four given options. If no correction is required against the given bold words, mark (E), i.e., "None of the above" as your answer. 

After learning that Ranjhi Rajak, a pilgrim from Madhya Pradesh had collapsed near Bhairo temple and needed immediate medical attention, SI Bahuguna carried Rajak on his back and walked uphill for over 2 kms till they reached the nearby hospital.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
P- To those who have known comfort, discomfort is a real torture.
Q- Comfort is now one of the causes of its own spread.
R- The more comfort is brought into the world, the more it is likely to be valued.
S- It has now become a physical habit, a fashion, an ideal to be pursued for its own sake.

Select the correct statement about immune system?

Which one of the following elements will be an isobar of calcium if the atomic number of calcium is 20 and its mass number is 40?

The end products of glycolysis are

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.

An achievement or something desired fail to be attained by someone