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.

What are antibodies?

In the following question, four words have been given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

They have had a real good time.

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

Keep under one's hat

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

Be left stranded

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

Involving immoral or dishonourable actions and motives

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.

1. It was my first day in college.
P. They took me to their room.
Q. As I entered, two seniors approached me.
R. I was happy to follow them.
S. They offered to help me to locate my classroom.
6. There they forced me to part with my money and the wrist watch.

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 and indicate it by selecting the appropriate option.
The president's coterie of advisers was unable to offer him a ____________ to the national problem.