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प्रश्न
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
Assertion: Persons with AB blood group are called a universal recipient because they can receive blood from all groups.
Reason: Antibodies are absent in persons with AB blood group.
पर्याय
If both A and R are true and R is the correct explanation of A.
If both A and R are true but R is not the correct explanation of A.
A is true but R is false.
Both A and R are false.
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उत्तर
If both A and R are true and R is the correct explanation of A.
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संबंधित प्रश्न
Which is the correct sequence of blood flow?
A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by the doctor for transfusion?
Match the following.
| 1. Leukaemia | (a) Thrombocytes |
| 2. Platelets | (b) Phagocyte |
| 3. Monocytes | (c) Decrease in leucocytes |
| 4. Leucopenia | (d) Blood Cancer |
| 5. AB blood group | (e) Allergic condition |
| 6. O blood group | (f) Inflammation |
| 7. Eosinophil | (g) Absence of antigen |
| 8. Neutrophils | (h) Absence of antibody |
All veins carry deoxygenated blood.
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
Assertion: RBC plays an important role in the transport of respiratory gases.
Reason: RBC does not have cell organelles and a nucleus.
Crab has blue blood.
Blood is a fluid connective tissue.
Veins have valves that allow blood to flow only in one direction. Arteries do not have valves. Yet the blood flows in one direction only. Can you explain why?
Name the organ which is located in the chest cavity with its lower tip slightly tilted towards the left.
Why is it called an artery if it does not carry oxygen-rich blood?
