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 :

Question

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 :

cdquestions Admin · Accepted Answer

Evaluating Statements about Blood Cell Production and Maturation: Statement I: Correct – The bone marrow is the primary site where all blood cells, including lymphocytes, are produced. Statement II: Correct – Both the bone marrow and thymus provide microenvironments for the development and maturation of T-lymphocytes, with the thymus being the primary site for T-cell maturation. Thus, the correct answer is (1) Both Statement I and Statement II are correct.

Answer

Both Statement I and Statement II are correct.

Answer

Both Statement I and Statement II are incorrect

Answer

Statement I is correct but Statement II is incorrect

Answer

Statement I is incorrect but Statement II is correct

List I		List II
A	Mesozoic Era	I	Lower invertebrates
B	Proterozoic Era	II	Fish & Amphibia
C	Cenozoic Era	III	Birds & Reptiles
D	Paleozoic Era	IV	Mammals

List-I (Reaction)	List-II (Reagents/Condition)
(A)	(I)
(B)	(II)	CrO₃
(C)	(III)	KMnO₄/KOH, \(\Delta\)
(D)	(IV)	(i) O₃ (ii) Zn-H₂O

The Correct Option is A

Solution and Explanation

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