Zoology-Drug Abuse
NEET Zoology Drug Abuse MCQ Question
Type: MCQ-fact-Hard-Class 12
What is the primary organ where all blood cells, including lymphocytes, are produced?
A
Bone marrow
B
Thymus
C
Spleen
D
Lymph nodes
Correct Answer
Option A
Detailed Explanation
The bone marrow is the main lymphoid organ responsible for the production of all blood cells, including lymphocytes, as stated in the NCERT context.
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