Given below are two statements : In the light of above statements, choose the most appropriate answer from the options given below
- Both Statement I and Statement II are correct.
- Both Statement I and Statement II are incorrect.
- Statement I is correct but Statement II is incorrect.
- Statement I is incorrect but Statement II is correct.
Answer
(1) Both Statement I and Statement II are correct.
Solution
Statement I is correct: the bone marrow is the main (primary) lymphoid organ where all blood cells, including lymphocytes, are produced.
Statement II is correct: as stated in NCERT, the bone marrow and thymus provide micro-environments for the development and maturation of T-lymphocytes.
Answer: (1)