CBSE
Multiple Choice QuestionsYeast is used in the production of
citric acid and lactic acid
lipase and pectinase
bread and beer
bread and beer
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
A good producer of citric acid is
Aspergillus
Pseudomonas
Clostridium
Clostridium
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
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.
Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?
Azotobacter
Aspergillus
Glomus
Glomus
A patient brought to a hospital with myocardial infarction is normally immediately given
penicillin
streptokinase
cyclosporin - A
cyclosporin - A
Fructose is absorbed into the blood through mucosa cells of intestine by the process called
active transport
facilitated transport
simple diffusion
simple diffusion
Monascus purpureus is a yeast used commercially in the production of
ethanol
streptokinase for removing clots from the blood vessels
citric acid
citric acid
The initial step in the digestion of milk in humans is carried out by?
Lipase
Trypsin
Diplotene
Diplotene
