STANDARDZoology-Human Physiology
STANDARD Zoology Immune System MCQ Question
Type: MCQ-conceptual-Medium
The primary lymphoid organs are ______ and ________
A
Volkmann’s canals, liver
B
Bone marrow, spleen
C
Volkmann’s canals, spleen
D
Bone marrow, thymus
Correct Answer
Option D
Detailed Explanation
The primary lymphoid organs are where lymphocytes are formed and mature. Bone marrow is where B cells mature, and the thymus is where T cells mature.
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