TLS Online TPP Program

#Question id: 14733


Staphylococci are coccus bacteria which usually occur in clusters. What is the benefit of being in cluster

#SCPH06 I Botany
  1. it helps them to move faster
  2. it helps them to retain water upon desiccation
  3. both are correct
  4. none 
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TLS Online TPP Program

#Question id: 14288

#SCPH05 I Biotechnology

During a batch culture experiment the following data was obtained 

What will be the product yield (g) per gram of substrates?

TLS Online TPP Program

#Question id: 14289

#SCPH05 I Biotechnology

In a fermenter the impeller diameter is increased from 0.5m to 1m and the rpm is increased from 100 rpm to 400 rpm. Reynolds number will increase by?

TLS Online TPP Program

#Question id: 14289

#SCPH05 I Biotechnology

In a fermenter the impeller diameter is increased from 0.5m to 1m and the rpm is increased from 100 rpm to 400 rpm. Reynolds number will increase by?

TLS Online TPP Program

#Question id: 14290

#SCPH05 I Biotechnology

Acetobacter aceti converts alcohol to acetic acid according to the schiometric relation

In a vigorously agitated and aerated reactor containing 20 g/l ethanol, the organism produces 16g/l acetic acid and 2g/l was the residual ethanol concentration what are the theoretical and observed yields of acetic acid expressed in g/g ethanol

TLS Online TPP Program

#Question id: 14290

#SCPH05 I Biotechnology

Acetobacter aceti converts alcohol to acetic acid according to the schiometric relation

In a vigorously agitated and aerated reactor containing 20 g/l ethanol, the organism produces 16g/l acetic acid and 2g/l was the residual ethanol concentration what are the theoretical and observed yields of acetic acid expressed in g/g ethanol

TLS Online TPP Program

#Question id: 14291

#SCPH05 I Biotechnology

In a batch sterilization process if  overall,  heating &  cooling are 32.2, 9.8 & 10.1 respectively, THEN the holding time at 121^o-C of the process is (given that the specific death rate (k) of microorganisms at 121^o-C is 2.54 min-1 ):