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TLS Online TPP Program

#Question id: 3323

Which one of the following statements is NOT TRUE?

#Section 3: Genetics, Cellular and Molecular Biology

  1. Co-evolution is reciprocal evolutionary change in two or more species resulting from the interaction among them.

  2. Convergent evolution, unrelated organisms with mutations and variations getting naturally selected in one environmental condition

  3. Divergent evolution, similar group of organisms with mutations and variations getting naturally selected in different environments

  4. Batesian mimicry more effective when abundance of mimic is more common than model

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TLS Online TPP Program

#Question id: 27341

#Section 5: Bioprocess Engineering and Process Biotechnology

In a chemostat, under steady state condition, if the feed media is sterile and endogenous metabolism is negligible compared to growth rate, then the specific growth rate (μ) will be
TLS Online TPP Program

#Question id: 27342

#Section 5: Bioprocess Engineering and Process Biotechnology

A culture of Rhizobium sp. is grown in a chemostat (200 m³ bioreactor). The feed contains 12 g/L sucrose, Ks for the organism is 0.2 g/L and Hmax = 0.3 h¹. The flow rate required to obtain steady state concentration of sucrose as 2 g/L in the bioreactor
TLS Online TPP Program

#Question id: 27343

#Section 5: Bioprocess Engineering and Process Biotechnology

Cell wash out condition in the bioreactor occurs when
TLS Online TPP Program

#Question id: 27344

#Section 5: Bioprocess Engineering and Process Biotechnology

In a chemostat, evaluate the dilution rate at the cell wash-out condition by applying Monod's model with the given set of data: μmax = 1 h-1; YX/S = 0.5 g g-1; Ks = 0.2 g/L; S0 = 10 g/L
TLS Online TPP Program

#Question id: 27345

#Section 5: Bioprocess Engineering and Process Biotechnology

For running a Continuous Stirred Tank Reactor, critical dilution rate is:
TLS Online TPP Program

#Question id: 27346

#Section 5: Bioprocess Engineering and Process Biotechnology

Continuous cultivation is carried out in 10 L working volume. If 0.2 h-1 dilution rate has to be maintained, then the feed rate will be