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

1.    Spleen

2.    Thymus

3.   Lymph nodes

4.   Bone marrow

Subtopic:  Human Immune System |
 83%
From NCERT
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The microenvironment  for the maturation and development of T lymphocytes is created by

1.    Bone marrow

2.    Thymus

3.   Both A and B

4.   Spleen

Subtopic:  Human Immune System |
 73%
From NCERT
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The immature lymphocytes differentiate into antigen sensitive lymphocytes in

1.    Bone marrow

2.    Thymus

3.   Both A and B

4.   Spleen

Subtopic:  Human Immune System |
 71%
From NCERT
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The site of interaction of lymphocyte with antigen is

1. Bone Marrow

2. Thymus

3. Both 1 and 2

4. Lymph nodes

Subtopic:  Human Immune System |
 73%
From NCERT
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Thymus is not

1.    Lobed organ

2.    Bean shaped

3.   Located near the heart

4.   Beneath the breastbone

Subtopic:  Human Immune System |
 76%
From NCERT
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Which of the following acts as a filter of blood?

1. Bone marrow

2. Lymph node

3. Spleen

4. Thymus

Subtopic:  Human Immune System |
 78%
From NCERT
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Spleen is not

1.    Large reservoir of erythrocytes

2.    Mainly contains lymphocytes and phagocytes

3.   Bean shaped

4.   Lobed organ

Subtopic:  Human Immune System |
 72%
From NCERT
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Which of the following is an antigen trap of tissue fluid?

1.   Spleen

2.   Thymus

3.   Lymph nodes

4.   Appendix

Subtopic:  Human Immune System |
 71%
From NCERT
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MALT is not/ doesn't/ haven't

1.    Lining of respiratory, digestive, and urogenital tracts are the major location

2.    Mucosa Associated Lymphoid Tissue

3.   Constitutes more than 50% of Lymphoid Tissue in the body

4.   Lymphoid Tissue

Subtopic:  Human Immune System |
From NCERT
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AIDS, a deadly disease, what does the word Acquired indicate here?

1.   It is because of Acquired immunity

2.   It is because of deficiency of the immune system

3.   It is because of immunodeficiency

4.   It is not a congenital disease

Subtopic:  AIDS |
 56%
From NCERT
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