Multiple Choice Questions - NET, SET, MSc, PhD
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Regular and unique practice MCQs for Section B of CSIR, GATE, GAT-B, ICMR, and DBT. Helpful in various SET, NET, MSc, BSc, Biology exams.

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The ADC converts the analog signal into a digital signal.
Anonymous Quiz
87%
True
13%
False
Which of the following device is capable of executing a sequence of instructions?
Anonymous Quiz
22%
Processer
33%
CPU
15%
Control Unit
30%
Arithmetic Logical Unit
Which of the following parameter cannot be measured by a computer system?
Anonymous Quiz
31%
Temperature
6%
pH
41%
Foam
22%
Sterility
Which of the following is not a fermenter?
Anonymous Quiz
7%
Bioflo
10%
Biostat B
69%
New Brunswick
14%
Blustar
Which of the following is not a surface active contaminant?
Anonymous Quiz
16%
Proteins
25%
Fatty acids
47%
Nucleic acids
13%
Lipids
The value of K<sub>L</sub>a increases with ____________ in agitation speed (rpm).
Anonymous Quiz
53%
Decrease
24%
Increase
18%
Constancy
6%
Zero
Who reported that sparger design does not affect K<sub>L</sub>a?
Anonymous Quiz
71%
Hassan and Robinson
14%
Tuffile and Pinho
7%
Taguchi and Roels
7%
Riet and Tramper
What happens to the value of K<sub>L</sub>a if the temperature is raised more than 40°C?
Anonymous Quiz
25%
Decreases
44%
Become zero
25%
Increases
6%
Becomes constant
The rheological type of Endomyces sp. is ____________
Anonymous Quiz
29%
Pseudoplastic rheology
36%
Bingham plastic rheology
29%
Dilatant rheology
7%
Casson body
Which of the following factors are not involved in the scale-up process?
Anonymous Quiz
44%
Inoculum development
28%
Sterilization
17%
Temperature
11%
Medium design
Given below is a graphical representation of the scale-up window. What do the x and y-axis denote?
Anonymous Quiz
33%
y – agitation, x – aeration
50%
y – aeration, x – agitation
17%
y – KLa, x – time
0%
y – time, x – KLa
Which of the following fermentation is carried out by yeast?
Anonymous Quiz
47%
Lactic acid fermentation
47%
Alcohol fermentation
5%
Pyruvic fermentation
0%
Acrylic fermentation
Who employed the term ‘Chromatography’?
Anonymous Quiz
44%
Tsvet
28%
Archer
28%
Richard
0%
Erika
Which of the following is used to pack columns in adsorption chromatography?
Anonymous Quiz
36%
Carbon
50%
Silica gel
7%
Potassium hydroxide
7%
Aluminium oxide
😱1
Which of the following stationary phase is not used in gel filtration chromatography?
Anonymous Quiz
38%
Sephadex
13%
Sephacryl
38%
Bio-Gel
13%
Resin beads
Chromatography is used to separate ____________
Anonymous Quiz
71%
Complex mixture compounds
21%
Simple mixtures
7%
Viscous mixtures
0%
Halogens
The Rf value is the ratio of distance travelled by solvent to the distance travelled by the solute.
Anonymous Quiz
80%
True
20%
False