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TLS Online TPP Program

#Question id: 4650

DDT was once considered a ʺsilver bulletʺ that would permanently eradicate insect pests. Today, instead, DDT is largely useless against many insects. Which of these would have been required for this pest eradication effort to be successful in the long run?

#Section 2: Evolution

  1. Larger doses of DDT should have been applied.

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

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

  4. None of the individual insects should have possessed genomes that made them resistant to DDT.

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TLS Online TPP Program

#Question id: 10604

#Section 1: Ecology

Which of the following statement are incorrect? 
TLS Online TPP Program

#Question id: 10605

#Section 1: Ecology

DN/dt = rN (K-N/K )The logistic equation above is used to describe the rate of change of a population, N, with time, t, Where r is the intrinsic rate of increase and K is the carrying capacity. Which of N value will show maximum per capita growth rate?  (K= 1000, r =.05)
TLS Online TPP Program

#Question id: 10606

#Section 1: Ecology

Identify the incorrect combination from the following list
TLS Online TPP Program

#Question id: 10607

#Section 1: Ecology

Which of the following statement is incorrect?
TLS Online TPP Program

#Question id: 10608

#Section 1: Ecology

Which of the following above point in logistic growth curve show maximum per capita rate of increase?
TLS Online TPP Program

#Question id: 10609

#Section 1: Ecology

The observation that members of a population are uniformly distributed suggests that