TLS Online TPP Program

#Question id: 1569


A bacterium entering the body through a small cut in the skin will do which of the following?

#Part-B Specialized Branches in Biotechnology
  1. activate a group of proteins called complement

  2. stimulate apoptosis of nearby body cells

  3. stimulate release of interferons

  4. stimulate natural killer cell activity 

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TLS Online TPP Program

#Question id: 11937

#Part-A Aptitude & General Biotechnology

Transmission of the electrical signal from the dendrites to the soma of a neuron occurs by which of the following?

TLS Online TPP Program

#Question id: 21009

#Part-B Specialized Branches in Biotechnology

Acetobacter aceti converts alcohol to acetic acid according to the stoichiometric  relation 
 C2H5OH + O2   →       CH3COOH + H2
In a vigorously agitated and aerated reactor containing 20 g/l ethanol, the organism  produces 16 g/l acetic acid and 2 g/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: 20597

#Part-B Specialized Branches in Biotechnology

Which one of the following controllers improves steady state error and also stability of the system?

TLS Online TPP Program

#Question id: 10508

#Part-B Specialized Branches in Biotechnology

Glandular trichomes store species-specific secondary metabolites in a pocket formed between the cell wall and the cuticle. These secondary metabolites are-

TLS Online TPP Program

#Question id: 11277

#Part-B Specialized Branches in Biotechnology

If a species is a keystone predator, then its removal from a community should

(A) Increase population size of the predator’s preferred prey

(B) decrease species diversity in the prey community

(C) decrease productivity of the predator’s preferred prey

(D) increase species diversity in the prey community