MCQs of Biology – Acquired Immunity

The oppiste to innate immunity is:

Characters of acquired immunity are:

Acquired immunity is due to:

Which of the following is the unit of immune system?

Cells involved in immune mechanism are:

Immature lymphocytes are:

Lymphoid tissue is found in:

Which one of the following is a primary lymphoid organ?

Spleen produces :

Peyrer’s patches produce:

A person is injected with globulin against hepatitis. This is:

The blood cell involved in production of humoral immunity is:

The term ” humor ” refers to:

The humoral immunity defends mostly against viruses and bacteria in:

Humoral immune system comprises:

Both B- cell sand T- cells of immune system are produced in:

The site of B- cell maturation in the human body is:

Bursa Fabricuis is a gland, which is present:

Which of the following does not belong with the others?

What is true about T- lymphocytes in mammals?

The T- Lymphocytes recognize:

Rejection of tissue or organ transplants is brought about mainly by:

Surgical removal of the thymus gland of a newborn shall result in the failure to produce:

T- cells are responsible for:

T- lymphocytes originate from:

Damage to thymus in a child may lead to:

Clonal deletion of T- cells is the:

What is the function of cytotoxic T- cells:

Hole forming proteins called ‘ perforins’ are produced by:

Which cell of immune system cause pore formation at the surface of the plasma membrane?

Cytotoxic T- cells are known for their ability to unite with:

Which of the following cells are most numerous?

Helper T- cells:

Which of the following cells guard against the overproduction of antibodies?

Memory cells are formed from:

Memory cells are stored in:

Which of the following T- cells are destroyed by HIV?

HIV can evade the immune system by all of the following means except which:

To detect antibodies against HIV In a patient , one should use a/an:

Among the organs of the body that are rich in mature T- cells and B- cells are:

Given:

Which of the following displays immune tolerance?