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Assertion: Haemopoiesis occurs in all diploic bones of the body.
Reason: Diploic bones contain red bone marrow.
Both the assertion and reason are true, and the reason is the correct explanation of the assertion.
Both the assertion and reason are true, but the reason is not the correct explanation of the assertion.
The assertion is true, but the reason is false.
The assertion is false, but the reason is true.
Answers (1)
The assertion claims that haemopoiesis occurs in all diploic bones of the body, which means that these bones are involved in the production of blood cells. The reason given is that diploic bones contain red bone marrow, which is a site of haemopoiesis.
While it is true that diploic bones, which are found in certain cranial bones, contain red bone marrow, it is not accurate to claim that haemopoiesis occurs in all diploic bones of the body. Haemopoiesis primarily takes place in the red bone marrow located in the axial skeleton (such as the ribs, sternum, vertebrae, and pelvis) and the proximal ends of long bones (such as the femur and humerus). Diploic bones are specifically present in the skull and are not the main contributors to haemopoiesis.
Therefore, although both the assertion and reason are true but the reason is not the correct explanation of the assertion. Hence, option 2 is the correct answer.
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