A: The cells that produce and secrete fibres are called fibroblasts.
R: Fibroblasts are the characteristic cells of all types of connective tissue.
A. If both assertion & reaction are true and the reason is the correct explanation of the assertion, then mark (1).
B. If both assertion & Reaction are true but the reaction is not the correct explanation of the assertion, them mark (2).
C. If assertion is not the correct explanation but reason is false, them mark (3).
D. If both assertion and reason are false statements, them mark (4).