Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 14602
TLS Online TPP Program

#Question id: 15717

 In The Origin of Species, Darwin propounded two major hypotheses:

#Section 2: Evolution
  1. that organisms have descended, with modification, from common ancestors; and that the chief cause of modification is natural selection acting on hereditary variation.
  2. that organisms have descended, with modification, from separate ancestors; and that the chief cause of modification is natural selection acting on hereditary variation
  3. “facts” are in some cases simple, confirmed observations; in other cases, a “fact” is a hypothesis that has acquired so much supporting evidence that we act as if it is true.
  4. A body of ideas about the causes of evolution
More Questions
TLS Online TPP Program

#Question id: 12413

#Section 1: Ecology

Mortality rate is calculated as
TLS Online TPP Program

#Question id: 10668

#Section 2: Evolution

Following table was shown life table where (S(x)= Live Individual , b(x) = Age specific fertility rate , g(x)= Death rate. What is NET reproductive rate?


               
TLS Online TPP Program

#Question id: 4648

#Section 2: Evolution

In a hypothetical environment, fishes called pike-cichlids are visual predators of algae-eating fish (i.e., they locate their prey by sight). If a population of algae-eaters experiences predation pressure from pike-cichlids, which of the following should least likely be observed in the algae-eater population over the course of many generations?
TLS Online TPP Program

#Question id: 11856

#General Aptitude

Find the least number which when divided by 5 , 7 , 11 leaves reminders 1 , 2 , 4 respectively.
TLS Online TPP Program

#Question id: 10872

#Section 1: Ecology

Interference competition is most similar to