41. Who discovered the insecticidal properties of DDT?
42. There is no bacteria activity in which of the following process?
43. ________ reproduces by binary fission.
44. The DNA of the bacterium is found present in a distinct nuclear region called
45. In autotrophic bacteria, where is chlorophyll located?
46. Bacteria were first discovered by
47. Among the many substances manufactured commercially by means of ________ are acetic acid, acetone, butanol, lactic acid and several vitamins.
48. In fungi asexual reproduction occurs mostly by
49. Amoeba belongs to the phylum
50. Dried milk dried meat are examples of preservation by
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