TLS Online TPP Program

#Question id: 334


Which of the following statements about hydrogen bonding is not true?

#Section 2: General Biology
  1. In liquid water, the average water molecule forms hydrogen bonds with three to four other water molecules.

  2. Hydrogen bonds account for the anomalously high boiling point of water.

  3. Individual hydrogen bonds in liquid water exist for many seconds and sometimes for minutes.

  4. The strength of a hydrogen bond depends on the linearity of the three atoms involved in the bond.

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TLS Online TPP Program

#Question id: 27321

#Section 5: Bioprocess Engineering and Process Biotechnology

An organism exhibits Monod growth with the following growth parameters, µm= 0.6 h-1 & Ks = 4 g/l. The specific growth rate, µ, of the organism at a substrate concentration of 2 g/l would be:

TLS Online TPP Program

#Question id: 27322

#Section 5: Bioprocess Engineering and Process Biotechnology

If the maintenance coefficient (m) is significantly high, then with reduction in specific growth rate:

TLS Online TPP Program

#Question id: 27323

#Section 5: Bioprocess Engineering and Process Biotechnology

In microbial cultivation experiment with cells having significant maintenance requirements, the measured  growth yield Y’ XS (G) and the true growth yield Y XS

TLS Online TPP Program

#Question id: 27324

#Section 5: Bioprocess Engineering and Process Biotechnology

During a batch culture experiment, the following data was obtained

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

TLS Online TPP Program

#Question id: 27325

#Section 5: Bioprocess Engineering and Process Biotechnology

if the initial substrate concentration is 15 g/L and initial biomass concentration is 0.1 g/L. The substrate is then consumed completely and produces 6.4 g/L of biomass. The yield coefficient will be

TLS Online TPP Program

#Question id: 27326

#Section 5: Bioprocess Engineering and Process Biotechnology

The growth of a microorganism on glucose is described by the Monod model (µmax = 0.7 h¹ and Ks = 0.1 g L¹). If the initial biomass concentration in the batch fermenter is 0.1 g L¹, the minimum time required to triple the biomass concentration would be