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 Multiple Choice QuestionsMultiple Choice Questions

1.

A good producer of citric acid is

  • Aspergillus

  • Pseudomonas

  • Clostridium

  • Clostridium

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2.

Match the following list of microbes and their importance:

(a) Sacharomyces cerevisiae (i) Production of immunosuppressive agents
(b) Monascus purpureus (ii) Riperuing of Swiss cheese
(c) Trichoderma polysporum (iii) Commercial production of ethanol
(d) Propionibacterium sharmanii (iv) Production of blood cholesterol lowering agents
  • Codes
     A   B   C    D
    3    4    1    2

  • A   B   C   D
    4   3    2   1

  • A   B   C   D
    4   2    1   3

  • A   B   C   D
    4   2    1   3

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3.

Monascus purpureus is a yeast used commercially in the production of 

  • ethanol

  • streptokinase for removing clots from the blood vessels

  • citric acid

  • citric acid

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4.

A patient brought to a hospital with myocardial infarction is normally immediately given

  • penicillin

  • streptokinase

  • cyclosporin - A

  • cyclosporin - A

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5.

Which one of the following is not a property of cancerous cells, whereas the remaining three are?

  • They compete with normal cells for vital nutrients. 

  • They do not remain confined in the area of formation

  • They divide in an uncontrolled manner

  • They divide in an uncontrolled manner

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6.

The initial step in the digestion of milk in humans is carried out by?

  • Lipase

  • Trypsin

  • Diplotene

  • Diplotene

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7.

Fructose is absorbed into the blood through mucosa cells of intestine by the process called

  • active transport

  • facilitated transport

  • simple diffusion 

  • simple diffusion 

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8.

Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?

  • Azotobacter

  • Aspergillus

  • Glomus

  • Glomus

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9.

Which one single organisms or the pair of organisms is correctly assigned to its or their named taxonomic group?

  • Paramecium and Plasmodium belong to the same kingdom as that of Penicillium.

  • Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan.

  • Yeast used in making bread and beer is a fungus.

  • Yeast used in making bread and beer is a fungus.

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10.

Yeast is used in the production of

  • citric acid and lactic acid

  • lipase and pectinase

  • bread and beer

  • bread and beer

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