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The country where commercial production of cultured pearls is undertaken on large scale is

A. India

B. Mexico

C. Netherlands

D. Japan

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  1. Name the nematode which lives in lymph vessels of man.
  2. Late Blight' is a disease that affects the _______ crop.
  3. Which among, the following is a solid lubricant?
  4. Riboflavin is otherwise known as
  5. The plant that is dispersed with the help of water is
  6. Insect pollination is known as
  7. The influenza vaccine was discovered by
  8. The smallest size of a cell which can be seen directly by the eye is
  9. The waste product In the urine of man is
  10. Plague is caused by
  11. India's first transgenic crop was
  12. Dr Khorana's work relates to
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  14. A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory…
  15. The phenomenon of summer sleep by animals is called
  16. The following disease is prevented by triple-antigen immunization
  17. The 'father of genetics' is
  18. Hormones are carried from their place of production by
  19. The mode of nutrition in which particulate food is devoured is
  20. What do you mean by lentic biota?
  21. Egg laying animals are referred to as
  22. The hormone secreted when one is frightened or excited
  23. Valve a are present inside
  24. The valve between the right auricle and right ventricle is called
  25. The blood pressure is controlled by the hormone
  26. Biologists have so far known, found and identified a large number of species in the plant and animal…
  27. If a father has blood group A and the mother has blood group 0, which one of the blood groups may be…
  28. The endocrine glands secrete
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