TLS Online TPP Program

#Question id: 9206


To better comprehend the magnitude of current extinctions, it will be necessary to ________.

#Section 2: Evolution
  1. differentiate between plant extinction and animal extinction numbers
  2. focus on identifying more species of mammals and birds
  3. identify more of the yet unknown species of organisms on Earth
  4. use the average extinction rates of vertebrates as a baseline
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TLS Online TPP Program

#Question id: 3414

#Section 2: Evolution

The given below is the graphical representation of the changes in morphological features over a period of the geological time scale, where population A accumulates heritable morphological features and give rise to distinct species B. Population B splits in to a distinct species B1 and B2 Which of the following lineage represent the pattern of speciation by cladogenesis?

TLS Online TPP Program

#Question id: 3413

#Section 2: Evolution

 Following certain conditions is present in a population?

A- Large Population

B- Each locus carries two allele 

C- Sexual selection 

D- Frequency dependent selection  

E- No linkage between genes

Which of the following above condition allowed to validity of Hardy- Weinberg Prediction?

TLS Online TPP Program

#Question id: 3409

#Section 2: Evolution

All genetic drift arises from sampling error, but 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. Mate choice

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

TLS Online TPP Program

#Question id: 3408

#Section 2: Evolution

New species originated via punctuated equilibrium having some characterstic feature

a. occur during cladogenesis from ancestral species

b. subpopulation of ancestral species transform in to new species

c. Morphological change is sudden and rapid

d. continuously change in their morphology

which above statement is correct

TLS Online TPP Program

#Question id: 3407

#Section 2: Evolution

Natural selection can act in three main ways on a character, such as body size, that is continuously distributed. Following graph represent fitness and their relative body size after the exposure of natural selection at different way? Which of the above population influence to which type of natural selection?

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?