TLS Online TPP Program

#Question id: 10700


Which of the following most important conclusion from the graph?


#Section 2: Evolution
  1. Species A inhibit the growth of B species when grown together
  2. Species B promote the growth of A species while B species are unaffected
  3. In competition both species are adversely affected
  4. This is protocooperation interaction
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TLS Online TPP Program

#Question id: 3405

#Section 2: Evolution

Phylogenies can be used to test whether speciation has been sympatric or allopatric. Following figure shown a new species arises by allopatric speciation, its nearest relative will usually live in a different geographic area, such as in a nearby lake. Which of the following phylogenetic tree is correct?

TLS Online TPP Program

#Question id: 3404

#Section 2: Evolution

A graph shows the frequency distribution of the character (body size). B graph shows the relation between body size and fitness, within one generation, and the third the expected change in the average for the character over many generations (if body size is inherited). Which of the following correct figure for Average size with respect to time?

TLS Online TPP Program

#Question id: 3400

#Section 2: Evolution

Which of the following influence effective population size?

a. Sex ratio

b. variation between individuals in reproductive success

c. Fluctuations in population size

d. Small breeding group

TLS Online TPP Program

#Question id: 3394

#Section 2: Evolution

All genetic drift arises from sampling error.  There are several different ways in which sampling error can arise as a following

a. Reduced population size      b. Founder effect

c. Genetic bottleneck                d. Differ in sex ratio

Which of the following above way cause sampling error in succeed generation?

TLS Online TPP Program

#Question id: 3393

#Section 2: Evolution

Natural Selection can maintain a polymorphism when

a. heterozygote is fitter than the homozygote

b. Fitnesses of genotypes are negatively frequency dependent.

c. Fitnesses of genotypes are positive frequency dependent.

d. One homozygote is fitter than the heterozygote

TLS Online TPP Program

#Question id: 3386

#Section 2: Evolution

Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of homology?

a) Dogs and wolves have very similar morphologies.

b) Convergent evolution has occurred.

c) Dogs and wolves not shared more recent common ancestor

d) Dogs and wolves shared a more recent common ancestor