NCERT · Class 12 · Biology · Human Health and DiseasesWhich of the following paired organs represent the primary lymphoid organs in the human body?
Step-by-Step Solution
The primary lymphoid organs are Bone marrow and Thymus, where immature lymphocytes differentiate into antigen-sensitive lymphocytes.
Detailed Options Breakdown
Option : Spleen and Lymph nodes
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Human Health and Diseases.
Option 1: Bone marrow and Thymus (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Tonsils and Peyer's patches
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Human Health and Diseases.
Option 3: Thymus and Spleen
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Human Health and Diseases.
💡 Study Guide: This question tests core syllabus concepts from Human Health and Diseases. For formulas, key summaries, and mock exam reference guides, read the full Human Health and Diseases Revision Notes.