Question

1) assertion (a) : serum cannot be coagulated reason (r) : serum lacks the protein fibrinogen
OPTIONS : A) BOTH A AND R ARE TRUE AND R IS THE CORRECT EXPLAINATION OF A
B)BOTH A AND R ARE TRUE BUT R IS NOT THE CORRECT EXPLAINATION OF A
C) A IS TRUE BUT R IS FALSE
D) A IS FALSE BUT R IS TRUE
E) BOTH THE A AND R ARE FALSE
2) assertion (a): smooth muscles fibres do not appear to be striated
reason (r): this due to regular alternate arrangements of thick and thin filaments is smooth muscle fiber​

Answer 1

Answer:

Q 1 . option A is correct

Explanation:

If blood lack clotting factor it termed as serum.

Here fibrinogen is a clotting factor .So both assertion and reason are correct .