Structural Organisation In Animals Question 95
Assertion : Mast cells help in body defence. Reason : Mast cells release histamine & other mediators to initiate immune responses.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: C
Solution:
Mast cells are large irregular cells with granular cytoplasm, present in the areolar connective tissue.
These cells store inflammation producing substances such as histamine in dense granules.
Mast cells release mediators which in turn help in body defence by attracting phagocytes to the injured tissue.
BETA
