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TLS Online TPP Program

#Question id: 4601

DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?

#XL - S Microbiology

  1. All habitats should have received applications of DDT at about the same time.

  2. The frequency of DDT application should have been higher.

  3. None of the insect pests would have genetic variations that resulted in DDT resistance.

  4. DDT application should have been continual.

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TLS Online TPP Program

#Question id: 15705

#XL - S Microbiology

IAA or IBA auxins alone or in combination with a low concentration of cytokinin are important in the induction of
TLS Online TPP Program

#Question id: 10251

#XL - Q Biochemistry

Initial phase of glycolysis, substrates from different sources are channeled into triose phosphate. For each molecule of sucrose that is metabolized, four molecules of triose phosphate are formed. This process how much requires ATP input?
TLS Online TPP Program

#Question id: 8925

#XL - R Botany

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?
1. tetrapods
2. vertebrates
3. deuterostomes
4. amniotes
5. bilaterians
TLS Online TPP Program

#Question id: 3687

#XL - S Microbiology

As the two strands of the double helix are separated, the positive supercoiling interferes with the further unwinding of DNA. Which of the following enzyme makes a break in a strand of DNA to release the supercoiling and facilitate the replication to occur?
TLS Online TPP Program

#Question id: 5150

#General Aptitude

If the number 481* 673 is completely divisible by 9, then the smallest whole number in place of * will be :