Clotting of blood is

A. a chain reaction

B. reversible reaction

C. reflex action

D. no reaction

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  1. Under the immunisation programme's Govt. of India is providing vaccination to prevent some vaccine-preventable…
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  18. Bio indicators are
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  21. Mouth and foot diseases in cattle are caused by
  22. The method of inducing artificial immunity was discovered by
  23. In one minute normally the heart beats
  24. The biogenetic law was proposed by
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