Q. Which of these converts soluble fibrinogen into insoluble fibrin?

Q.

Assertion: Blood coagulates in injured blood vessels.
Reason: Uninjured blood vessels release an anticoagulant heparin.

Both assertion and the reason are true and the reason is the correct explanation of the assertion.
Both assertion and the reason are true but the reason is not the correct explanation of the assertion.
The assertion is true but the reason is false
Both assertion and reason are false.

Q.

Match Column I and Column II regarding the clotting process:

$i)\Rightarrow e, ~ii)\Rightarrow b, ~iii)\Rightarrow d, ~iv)\Rightarrow c, v)\Rightarrow a$
$i)\Rightarrow b, ~ii)\Rightarrow c, ~iii)\Rightarrow a, ~iv)\Rightarrow d, v)\Rightarrow e$
$i)\Rightarrow a, ~ii)\Rightarrow d, ~iii)\Rightarrow c, ~iv)\Rightarrow b, v)\Rightarrow e$
$i)\Rightarrow d, ~ii)\Rightarrow a, ~iii)\Rightarrow b, ~iv)\Rightarrow c, v)\Rightarrow e$