Related Questions

In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
A 15/25
B 31/50
C 11/25
D 9/50
Many breakfast cereals are fortified with vitamin supplements , some of these cereals provide 100 percent of the recommended daily requirement of vitamins. Nevertheless, a well -balanced breakfast, including a variety of foods is a better source of those vitamins than are such fortified breakfast cereals alone.
A In many foods , the natural combination of vitamins with other nutrients makes those vitamins more usable by the body than are vitamins added in vitamin supplements.
B People who regularly eat cereals fortified with vitamin supplements sometimes neglect to eat the foods in which the vitamins occur naturally.
C Foods often mist be fortified with vitamin supplements because naturally occurring vitamins are removed during processing .
D Unprocessed cereals are naturally high in several of the vitamins that are usuallly added to fortified breakfast cereals.
রক্ত বন্ধনে ( Blood coagulation ) সাহায্য করে কোন খনিজ মৌল?
A ক্যালসিয়াম
B ম্যাগনেসিয়াম
C সালফার
D ফসফরাস
Blood coagulation requires
A Inactivation of heparin
B Calcium ions
C Vitamin K
D Inactivation of plasmin
E Vitamin C
The vitamin required for coagulation of blood is
A B6
B C
C K
D B
A man whose blood group is not known meet with a serious accident and needs blood transfusion immediately. Which one of the blood group mentioned below and readily available in the hospital will be safe for transfusion?
A O, Rh-
B O, Rh+
C AB, Rh-
D AB, Rh+
Which of the following vitamins helps in blood clotting?
A Vitamin A
B Vitamin C
C Vitamin D
D Vitamin K
An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is
A B or A
B AB or A
C A or O
D AB or B
Person having blood group 'B' can donate the blood to person having blood group
A A and O
B B and O
C A and AB
D B and AB
Which one is not a primary coagulation factor?
A Ca
B throboplastin
C prothombina
D fibrinogen

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