Q. Which of the following is right about blood coagulation? I. Vitamin-B is necessary for the formation prothrominase II. Conversion of fibrin to fibrinogen III. Conversion of prothrombin to prothrombinase The option with correct combination is

A) I and II
B) II and III
C) III and I
D) None of these
Explanation

None of the above. By the traumatised cell at the place of injury [image:18_image30.emf]

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.