STD 12 - 7. human health and disease — Biology STD 12 Science — Question
CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 7. human health and disease1 Mark
MCQ
$T$- Lymphocytes originate from
A
Thymus
✓
Bone marrow
C
Liver
D
None of these
✓
Answer
Correct option: B.
Bone marrow
b (b) Haemopoietic stem cells differentiate into $T$-and $B$-lymphocytes in the bone marrow $T$- cells then migrate to thymus gland for their proliferation.
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