If a person X contracts a disease successfully, which kind of immunity has he developed?

1. Active

2. Passive

3. Anamnestic

4. Humoral

Colostrum and immunity gained through placenta comes under which class of immunity?

1. Natural

2. Passive

3. Active

4. More than one option

When quick immune response is required, we administer which kind of immunization?

1. Active

2. Passive

3. Both depending on pathogen

4. Generally active sometimes passive

RDT has not allowed to produce antigenic polypeptide of pathogen in

1. Bacteria

2. Yeast

3.     Virus 

4.    Both A and B

Allergies could be because of

1. Protected environment provided in early life

2. Modern day life style

3. More sensitivity to the environment

4. All of these

The cause of autoimmunity can be

1. Physical appearance

2. Genetic reasons

3. Reasons, which are still under research

4. Both B and C

The primary lymphoid organs are

1. Bone marrow and thymus

2. Bone marrow and spleen

3. Spleen and thymus

4. All three

Which of the following is not a lymphoid organ?

1. Appendix

2. Thyroid

3. Peyer's patches

4. Tonsils

The formation of effector lymphocytes will occur in

1. Bone marrow

2. Thymus

3. Appendix

4. Thyroid

What is the main lymphoid organ where all blood cells including lymphocytes are produced?

1. Spleen

2. Thymus

3. Lymph nodes

4. Bone marrow