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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 - T Zoology

  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: 27252

#XL - T Zoology

Messelsen and Stahl model of replication was called
TLS Online TPP Program

#Question id: 19567

#XL - P Chemistry

The ion which can be precipitated by both HCl and H2S is:
TLS Online TPP Program

#Question id: 15479

#XL - S Microbiology

Out of the following what usually supports the fastest growth rate and is therefore considered the preferred nitrogen source for E. coli
TLS Online TPP Program

#Question id: 27255

#XL - T Zoology

Which histone(s) are associated with the linker DNA of a nucleosome?
TLS Online TPP Program

#Question id: 4172

#XL - T Zoology

Which statement is true about the number of initiation and STOP codons?