A person with a blood group ____ is considered to be an universal donor.

A. A Positive

B. AB Positive

C. AB Negative

D. O Positive

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  1. Antibodies are formed in
  2. The diseases that are caused by lack of vitamins are called
  3. Hormones are carried from their place of production by
  4. The method of inducing artificial immunity was discovered by
  5. The development of new organs is termed
  6. In plants water is carried upwards by
  7. The best and easy method of control of crop pests is by
  8. From the end of the Triassic to the cretaceous period the earth was ruled by
  9. Cutting and layering are the methods of plant propagation usually referred to as
  10. The geotropism of the roots that makes them grow towards gravity is said to be
  11. The spores of Puccinia formed on the leaves of wheat are called
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  13. The phenomenon of summer sleep by animals is called
  14. An inherited characteristic which does not appear in one generation but can appear in the next is called
  15. Agroecology relates
  16. What are oncogenes?
  17. The most primitive mammals are
  18. Chemical substances that called have effect on growth of plants are called
  19. Hydrotropism means the growth of roots
  20. Bats can fly in the dark because
  21. The function of a cell wall is
  22. Bird nu is a disease which affects and spreads through
  23. Which among, the following is a solid lubricant?
  24. The drug Ergot is obtained from
  25. Polyploid wheat does not normally show an increase in
  26. Pneumonia is ,a bacterial disease caused by the type of bacteria called
  27. Valves are present inside
  28. The country's first 'brain bank' that can store up to 300 human brains has been opened at
  29. When does the heart start functioning?
  30. Foal' is the young on of the