MHC

Q.

Which of the following statements about MHC are correct?

1. It is a group of proteins called the Major Histocompatibility Complex

2. It helps the T cells in self non-self recognition

3. It is present on both healthy cells and infected cells

4. It is present only on some cells of the body

Q. Immediate membrane covering the mammalian egg is

1. Chorion
   
2. Corona radiata
   
3. Vitelline membrane
   
4. Zona pellucida
   

Q. Antibodies are formed by

1. Histiocytes
2. Mast Cells
3. Fibroblasts
4. Plasma cells

Q.

What are the cytopathic effects of virus infections?

Q.

Major Histocompatibility Complex or MHC is present on each and every cell of the body

1. True

2. False

Q.

Which of the following statements about MHC is correct.

1. It is a group of proteins called the Major Histocompatibility Complex

2. It helps the T cells in self non-self recognition

3. It is present on both healthy cells and infected cells

4. It is present only on some cells of the body

Q. The membrane of mature B cells have

1. Both IgG and IgM
2. Both IgG and IgD
3. Both IgM and IgE
4. Both IgM and IgD

Q.

State whether true or false:
Virus infected cells also use the MHC for displaying their peptides.

1. True

2. False

Q.

Choose the correct statement.

1. T cells recognize antigens presented along with MHC

2. T cells recognize antigens bound with antibodies

3. All of the above are correct

4. T cells recognize antigens alone

Q. A temperate bacteriophage.

1. Causes complete bursting of the infected bacterial cell after the latent period
2. Does not cause bursting of the infected bacterial cell after the latent period
3. Does not cause the death of the infected bacterial cell but continues to exit there and this cell divides almost like a normal cell
4. Does not cause the death of the infected bacterial cell but the infected cell ceases to divide

Q.

Virus infected cells also use the MHC for displaying their peptides.

1. True

2. False

Q. Sometimes when a virus attacks a bacterium, neither the virus multiplies nor the bacterium dies. This phenomenon is called as

1. Adsorption
2. Assimilation
3. Lysogeny
4. Viral stability

Q.

Choose the correct statement.

1. T cells recognise antigens alone

2. T cells recognise antigens presented along with MHC

3. T cells recognise antigens bound with antibodies

4. All of the above are correct

Q. Antigen sites recognised by antibodies and T- or B-cells are

1. Epitopes
2. Antigen determinants
3. Paratopes
4. Both A and B

Q. Bacteriophage viruses were produced in the presence of radioactively tagged materials, resulting in the presence of both radioactive proteins and radioactive nucleic acids in the viruses.
These viruses were then allowed to infect bacteria in normal growth medium. Viruses produced during the lytic cycle were sampled for radioactivity.
What parts of the virus should show radioactivity?

1. Only the proteins
2. Only the nucleic acids
3. Both the protein and the nucleic acids
4. Neither the proteins nor the nucleic acids

Q. A phage that invades but does not destroy the host known as

1. Temperate phage
2. Phycophages
3. Sexduction
4. Virulent phage

Q. For a T-cell to recognize an antigen, it must interact with

1. a macrophage
2. a B-cell
3. all of these
4. complement

Q. how does keratin protein makes a cell dead?

Q. Bacteriophage is a ?

1. Mycoplasma
2. Virus
3. Rickettsia
4. Spirochaete

Q.

Choose the correct statement.

1. T cells recognize antigens alone

2. All of the above are correct

3. T cells recognize antigens bound with antibodies

4. T cells recognize antigens presented along with MHC

Q.

State whether true or false:
Virus infected cells also use the MHC for displaying their peptides.

1. True

2. False

Q. A storage protein is

1. Collagen
2. Glutelin/Globulin
3. Haemoglobin
4. Keratin

Q.

State whether true or false:
Major Histocompatibility Complex or MHC is present on every individual cell of the body.

1. True

2. False

Q.

State whether true or false:
Major Histocompatibility Complex or MHC is present on every individual cell of the body.

1. True

2. False

Q.

Which of the following statements about MHC are correct?

1. It is a group of proteins called the Major Histocompatibility Complex

2. It helps the T cells in self, non-self recognition

3. It is present on both healthy cells and infected cells

4. It is present only on some cells of the body

Q.

Which of the following statements about MHC are correct?

1. It is a group of proteins called the Major Histocompatibility Complex

2. It helps the T cells in self, non-self recognition

3. It is present on both healthy cells and infected cells

4. It is present only on some cells of the body

Q.

Choose the correct statement.

1. T cells recognise antigens alone

2. T cells recognise antigens presented along with MHC

3. T cells recognise antigens bound with antibodies

4. All of the above are correct

Q. Segments of antigen that are recognised by antibody are

1. Epitopes
2. Memory regions
3. Nondeterminants
4. Self limitation