1.

A good producer of citric acid is

• Aspergillus

• Pseudomonas

• Clostridium

• Clostridium

Match the following list of microbes and their importance:

• 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

Monascus purpureus is a yeast used commercially in the production of 

• ethanol

• streptokinase for removing clots from the blood vessels

• citric acid

• citric acid

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

• penicillin

• streptokinase

• cyclosporin - A

• cyclosporin - A

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

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

• Lipase

• Trypsin

• Diplotene

• Diplotene

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

• active transport

• facilitated transport

• simple diffusion 

• simple diffusion 

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

• Azotobacter

• Aspergillus

• Glomus

• Glomus

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.

Yeast is used in the production of

• citric acid and lactic acid

• lipase and pectinase

• bread and beer

• bread and beer