Allergies could be because of

1.    Protected environment provided in early life

2.    Modern day lifestyle

3.   More sensitivity to the environment

4.   All of these

Subtopic:  Allergies & Autoimmunity |
 93%
From NCERT
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The cause of autoimmunity can be

1.    Physical appearance

2.    Genetic reasons

3.   Reasons, which are still under research

4.   Both 2 and 3

Subtopic:  Allergies & Autoimmunity |
 82%
From NCERT
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The primary lymphoid organs are

1.    Bone marrow and thymus

2.    Bone marrow and spleen

3.   Spleen and thymus

4.   All three

Subtopic:  Human Immune System |
 87%
From NCERT
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Which of the following is not a lymphoid organ?

1.    Appendix

2.    Thyroid

3.   Peyer's patches

4.   Tonsils

Subtopic:  Human Immune System |
 69%
From NCERT
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The formation of effector lymphocytes will occur in

1.    Bone marrow

2.    Thymus

3.   Appendix

4.   Thyroid

Subtopic:  Human Immune System |
From NCERT
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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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