Damage to hearing is caused by sounds which exceed

A. 70 decibels

B. 80 decibels

C. 100 decibels

D. 120 decibels

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Dr Khorana's work relates to
  2. Hormone promoting maleness in flowering plants is
  3. Damage to hearing is caused by sounds which exceed
  4. Blood cancer is otherwise called
  5. Which of the following diseases is considered as completely eradicated from India, as no case of the…
  6. The tallest tree in the world Sequoia™ is found in
  7. Which of the following is NOT a viral disease?
  8. Kwashiorkar is a deficiency disease
  9. Plague is caused by
  10. A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory…
  11. The artificial kidney operates on the principle of
  12. The eland having endorine as well as exocrine function is
  13. Which one of the ecosystems Is the largest in the world?
  14. Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What…
  15. Biocatalysts are
  16. Haemophilia is a hereditary disease carried by
  17. Louis Pasteur developed the vaccine for ______ for the first time.
  18. Which of the following is a good and rich source of vitamin 'C'?
  19. The bile contains the pigments
  20. The scientist who discovered the blood groups is
  21. Insulin is concerned with the metabolism of
  22. Accepted theory for the origin of life is
  23. The hypothesis that living matter originated in the past from non-living matter is supported by
  24. Which element in chillies causes burning sensations?
  25. The specific gravity of blood is
  26. AIDS is caused by the organisms which are
  27. The bird that lays the largest egg is
  28. Lactose and Rennin, the enzymes required to digest milk, disappear in the human body by the age of _______…
  29. Which of the following diseases is caused by the deficiency of iron in human body?
  30. The germ theory of diseases was put forward by