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STD 12 - 7. human health and disease — BIOLOGY STD 12 Science — Question

Bihar 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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