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TLS Online TPP Program

#Question id: 3429

Which of the following is a behavioral pattern that results from a proximate cause?

#SCPH06 I Botany

  1. A cat kills a mouse to obtain food.

  2. A male sheep fights with another male because it helps it to improve its social position and find a mate.

  3. A female bird lays its eggs because the amount of daylight is decreasing slightly each day.

  4. A goose squats and freezes motionless because that behavior helps it to escape a predator.

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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 ):
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 ):
TLS Online TPP Program

#Question id: 14292

#SCPH05 I Biotechnology

Consider the scale up of a fermentation from a 10L to 10000L while maintaining geometric similarity. Agitation speed was maintained at 500 rpm in the 10L fermenter. If scale up is done based on constant tip speed, then the agitation speed in the larger reactor should be 
rpm. 
TLS Online TPP Program

#Question id: 14292

#SCPH05 I Biotechnology

Consider the scale up of a fermentation from a 10L to 10000L while maintaining geometric similarity. Agitation speed was maintained at 500 rpm in the 10L fermenter. If scale up is done based on constant tip speed, then the agitation speed in the larger reactor should be 
rpm.