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TLS Online TPP Program

#Question id: 3351

In pre-industrial period in England, most peppered moths had light coloration. During industrial revolution, many lichens died out and trees became blackened by soot from factories and interestingly, dark colored moths were predominantly seen. Which of the following observation is incorrect about above selection?

#Section 3: Genetics, Cellular and Molecular Biology

  1. It is a directional or progressive selection

  2. Industrial melanism is an adaptation where the moths living in the industrial areas developed melanin pigment to hide themselves from their predators

  3. This happened due to natural selection of the camouflaging mechanism or the moths.

  4. It reduces the variations and maintains the mean value in a population, thereby preventing the evolutionary change

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TLS Online TPP Program

#Question id: 3736

#Section 3: Genetics, Cellular and Molecular Biology

What is the DNA sequence (5ʹ → 3ʹ) determined in this gel sequenced by Sanger's methods? Assume the samples were applied near the top of the gel.
TLS Online TPP Program

#Question id: 14603

#Section 5: Bioprocess Engineering and Process Biotechnology

What is pervaporation  
TLS Online TPP Program

#Question id: 42

#Section 2: General Biology

What is the relation between the given compound?
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#Question id: 16781

#Section 1: Engineering Mathematics

At Dunkin Donuts the number of donut holes in a bag can vary. Help Donald find the mode. 12,10,10,10,13,12,11,13,10
TLS Online TPP Program

#Question id: 19147

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is incorrect regarding the terminologies of phylogenetics?