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TLS Online TPP Program

#Question id: 10777

Why pyrethroids are synthetically and commercially viable and applicable ?

#Section 6: Plant, Animal and Microbial Biotechnology
  1. because of their soaplike properties, the presence of both lipid-soluble and watersoluble elements in one molecule
  2. because of their low persistence in the environment and their negligible toxicity to mammals
  3. because it is difficult to extract from plants, where it is covalently bound to cellulose and other polysaccharides of the cell wall
  4. because of their toxicity to humans and their medicinal properties
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TLS Online TPP Program

#Question id: 21009

#Section 4: Fundamentals of Biological Engineering

Acetobacter aceti converts alcohol to acetic acid according to the stoichiometric  relation 
 C2H5OH + O2   →       CH3COOH + H2O 
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: 12678

#General Aptitude

The length of the diagonal of a square is ‘a’ cm. Which of the following represents the area of the square (in sq. cm.) ?
TLS Online TPP Program

#Question id: 3699

#Section 3: Genetics, Cellular and Molecular Biology

In this diagram of the process of DNA replication at a replication fork, the black boxes labeled D and E are:
TLS Online TPP Program

#Question id: 27518

#Section 5: Bioprocess Engineering and Process Biotechnology

In a fermentation process, air sterilizer is used to reduce 1×108 to 1 microorganisms. The filtration efficiency will be
TLS Online TPP Program

#Question id: 17203

#Section 1: Engineering Mathematics

Total number of possible matrices of order 3 × 3 with each entry 2 or 0 is