MCQ
Given below are two statements :

Statement $I$ : Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.

Statement $II$ : Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes.

In the light of above statements, choose the most appropriate answer from the options given below :

  • A
    Both Statement $I$ and Statement $II$ are incorrect.
  • B
    Statement $I$ is correct but Statement $II$ is incorrect.
  • C
    Statement $I$ is incorrect but Statement $II$ is correct.
  • Both Statement $I$ and Statement $II$ are correct.

Answer

Correct option: D.
Both Statement $I$ and Statement $II$ are correct.
d
 The correct answer is option no. ($4$) as both statements $I$ and $II$ are correct.

In humans, the bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.

Both bone-marrow and thymus provide micro-environments for the development and maturation of $\mathrm{T}$ lymphocytes.

Options $(1)$, ($2$) and ($3$) are incorrect.

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