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 :

  • [NEET 2024]
  • 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.

  • D

    Both Statement $I$ and Statement $II$ are correct.

Similar Questions

$A$ - The vaccines generate memory - $B$ and $T$ - cells. $R$ - In vaccination activated pathogens are introduced into the body.

What are pathogens ?
 

Choose the true statements

$I.$ Innate immunity is accomplished by providing different types of barriers

$II.$ Acquired immunity is present from the birth and is inherited from parents

$III.$ Sweat, tears, acid in the stomach and saliva prevent microbial growth

Spleen is

$A$ : Colostrum is a very efficient means of transferring immunity to a newborn.
$R$ : IgM from mother’s milk protects the baby from the respiratory infection usually affecting in young age.