Reason
Platelet factors are responsible for activation of platelets which forms plug like layer stopping the blood flow.
Assertion
Platelets are responsible for clotting of blood when injured.
A
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B
Both Assertion and Reason are incorrect
C
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
D
Assertion is correct but Reason is incorrect
Correct option is A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Platelets are responsible for clotting of blood when injured. These are activated by factors which forms thin plug like layer resulting in stopping the blood flow i.e. clotting takes place.
Both assertion and reason are correct and reason explains the assertion.
Option A is correct.