Exams

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

The consumption schedule relates:

 In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement I: Some purses are pockets

Statement II: All purses are wallets

Conclusion I: All pockets are wallets

Conclusion II: No wallets are pockets

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. The master returned home after sometime.
P. The snake was lying dead under the cradle.
Q. He went into the room where the baby was sleeping.
R. It had been killed by his dog.
S. He noticed a snake.
6. He realised that his dog had saved his baby.

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.

Of the three activities of thought, word and deed, perhaps thought is the most ______ and powerful force, for it is the ______ of the other two. Success is achieved twice, once in the mind and the second time in the real world. No matter in whose mind thought occurs; its laser-like energy seeks a target. That’s why we give so much importance to ______, seeking divine blessings before ______ on any project as we know that positive thinking is a strong force that can be ______ for the welfare and success of all.

blessings before ______ on any

At the equilibrium price

During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in _________________.

T cell activation requires