Exams

What happens to air when it is heated?

A website main page is called

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

Kunal said, "Tanu is coming this week."

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

A girl introduces a man as the son of her grandfather and the brother of her maternal aunt. How is the man related to the girl?

Which one of the following crops is not cultivated in Karewas, the lacustrine deposit's of sand, clay, loam, silt and boulders?

ΔABC is right angled at B. If m∠A = 45°, then find the value of (cosecC + 1/√3).

Which country is partner country at International Gita Festival 2018 along with India?