Advertisement

Multiple Choice Questions

Yeast is used in the production of

  • citric acid and lactic acid

  • lipase and pectinase

  • bread and beer

  • bread and beer

378 Views

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.

681 Views

Monascus purpureus is a yeast used commercially in the production of 

  • ethanol

  • streptokinase for removing clots from the blood vessels

  • citric acid

  • citric acid

456 Views

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

  • penicillin

  • streptokinase

  • cyclosporin - A

  • cyclosporin - A

438 Views

Advertisement

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

  • Lipase

  • Trypsin

  • Diplotene

  • Diplotene

473 Views

A good producer of citric acid is

  • Aspergillus

  • Pseudomonas

  • Clostridium

  • Clostridium

952 Views

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

772 Views

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

530 Views

Advertisement
<

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

  • Azotobacter

  • Aspergillus

  • Glomus

  • Glomus

517 Views

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

  • active transport

  • facilitated transport

  • simple diffusion 

  • simple diffusion 

459 Views

Advertisement