Cheese and yogurt are the products of from Biology Microbes in H

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71.

Leprosy is also called as

  • Hansen's disease

  • sarcoma

  • slim disease

  • leukamia


72.

A simple technology has been developed in India for plant breeders and farmers to use two plants as biofertilizers for growing rice. These are

  • Azotobacter and Rhizobium

  • Chlorella and Spirulina

  • Azolla and nitrogen fixing blue-green algae

  • Riccia and Marchantia


73.

Yeast is used in the production of :

  • acetic acid

  • citric acid

  • ethyl alcohol

  • curd


74.

Streptomycin was isolated first time by :

  • A. Flemming

  • Robert Koch

  • N. Borlaug

  • S. Waksman


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75.

Which of the following micro-organism is used for conversion of milk into curd?

  • Xanthomonas citri

  • Bacillus megatherium

  • Acetobacter aceti

  • None of the above


76.

Which of the following is the product of glucose fermentation by yeast?

  • C6H12O6

  • C2H5OH

  • (C6H10O5)n

  • CH2OH


77.

The pesticide used as preventive measure in buildings is :

  • aldrin

  • dieldrin

  • endrin

  • DDT


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78.

Cheese and yogurt are the products of

  • dehydration

  • fermentation

  • pasteurization

  • distillation


B.

fermentation

Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of various enzymes. Cheese, yogurt, whisky, brandy etc. are the fermentation.


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79.

Curdling of milk in small intestine occurs due to the action of

  • rennin

  • erypsine

  • trypsin

  • chymotrypsin


80.

Which of the following pesticides is an acetylcholinesterase inhibitor?

  • Aldrin

  • BHC

  • Endosulfan

  • Malathion


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