The rheological type of Endomyces sp. is ____________
Anonymous Quiz
31%
Pseudoplastic rheology
38%
Bingham plastic rheology
25%
Dilatant rheology
6%
Casson body
What do you mean by ‘scale-up’?
Anonymous Quiz
11%
Decreasing the scale of fermentation
63%
Increasing the scale of fermentation
5%
Decreasing the rate of agitation
21%
Increasing the rate of fermentation
Which of the following factors are not involved in the scale-up process?
Anonymous Quiz
45%
Inoculum development
25%
Sterilization
15%
Temperature
15%
Medium design
Given below is a graphical representation of the scale-up window. What do the x and y-axis denote?
Anonymous Quiz
36%
y – agitation, x – aeration
50%
y – aeration, x – agitation
14%
y – KLa, x – time
0%
y – time, x – KLa
What do you mean by ‘scale-down’?
Anonymous Quiz
76%
Decreasing the scale of fermentation
18%
Increasing the scale of fermentation
0%
Decreasing the rate of agitation
6%
Increasing the rate of fermentation
Which of the following fermentation is carried out by yeast?
Anonymous Quiz
52%
Lactic acid fermentation
43%
Alcohol fermentation
5%
Pyruvic fermentation
0%
Acrylic fermentation
Which of the following is used to pack columns in adsorption chromatography?
Anonymous Quiz
38%
Carbon
50%
Silica gel
6%
Potassium hydroxide
6%
Aluminium oxide
😱1
Which of the following stationary phase is not used in gel filtration chromatography?
Anonymous Quiz
39%
Sephadex
11%
Sephacryl
39%
Bio-Gel
11%
Resin beads
Chromatography is used to separate ____________
Anonymous Quiz
71%
Complex mixture compounds
24%
Simple mixtures
6%
Viscous mixtures
0%
Halogens
The Rf value is the ratio of distance travelled by solvent to the distance travelled by the solute.
Anonymous Quiz
85%
True
15%
False
Which of the following is not a factor to investigate in a site survey?
Anonymous Quiz
38%
BOD/COD
15%
Sterility
15%
Colour
31%
Radioactivity
Which of the following is a primary treatment?
Anonymous Quiz
38%
Sedimentation
31%
Activated sludge
19%
Sand filters
13%
Microstrainers
Which is the use of comminutors?
Anonymous Quiz
69%
To reduce the size of particles
15%
To remove the grit
8%
To remove large particles
8%
To remove small particles
Which of the following is used to grow anchorage-dependent cells?
Anonymous Quiz
0%
Airlift fermenter
67%
Tower fermenter
0%
Hollow fibre chamber
33%
Perfusion bioreactor
Which of the following bioreactor consists of a vessel replaced by a multilayered bag?
Anonymous Quiz
50%
Single Use bioreactors
50%
Perfusion bioreactors
0%
Airlift bioreactor
0%
Tower bioreactor
What is the function of carbon in stainless steel?
Anonymous Quiz
100%
Improves resistance to corrosion
0%
Improves ductility
0%
Reduces sensitization
0%
Improves halogen resistance
Which of the following class consists of microorganisms which are not causative agents?
Anonymous Quiz
0%
EFB Class 1
0%
EFB Class 2
0%
EFB Class 3
0%
EFB Class 4