A bio-catalyst produced by living cells which acts independent of the cell is called a/an

A. Substrate

B. Enzyme

C. Nutrient

D. None of these

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  1. Ordinary glass is not a/an
  2. Analgesic drugs are
  3. Oxygen is produced by fractionation of air using __________ process.
  4. Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers…
  5. Which of the following is not produced on commercial scale from sea water?
  6. Ore concentration by froth floatation utilises the __________ of ore particles.
  7. Lubricating greases are a mixture of
  8. Which of the following contains least amount of N2?
  9. Which of the following processes is absent in glass manufacturing process?
  10. The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located…
  11. Sucrose is a
  12. Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified…
  13. Which of the following sugars is the sweetest?
  14. Enamels
  15. Use of water having dissolved oxygen in boilers promotes
  16. Cumene (isopropyl benzene) is made by
  17. Consider the production of ammonia from methene and air as raw materials. The catalysts used are:(i)…
  18. Pick out the wrong statement.
  19. The combustion reaction, C + O2 = CO2, is
  20. Main constituents of cotton fiber is
  21. Phenolic antiseptics are added in the __________ soap.
  22. The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold…
  23. Which glass is usually used in optical work?
  24. Ca(OH)2 is called
  25. Hydrazine is used in water treatment for the removal of
  26. Liquor poisoning generally occurs due to the presence of __________ in it.
  27. Phthalic anhydride is made by the
  28. Very fine suspended and colloidal impurities are removed from water by a process called
  29. Dry ice (solidified CO2) is used for the
  30. Essential oils are usually obtained using