TLS Online TPP Program

#Question id: 385


In which reaction below does water not participate as a reactant (rather than as a product)?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Conversion of an acid anhydride to two acids.

  2. Conversion of an ester to an acid and an alcohol.

  3. Conversion of ATP to ADP.

  4. Production of gaseous carbon dioxide from bicarbonate.

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TLS Online TPP Program

#Question id: 3409

#Unit 11. Evolution and Behavior

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

#Unit 11. Evolution and Behavior

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

#Unit 11. Evolution and Behavior

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: 3406

#Unit 11. Evolution and Behavior

If 50 Invidual migrate from population A (allelic frequency P= .70 and q = .30  to population B with density 950 individual and allelic frequency  p=.40 q= .60. What is allelic frequency of P allele of population B after migration?

TLS Online TPP Program

#Question id: 3405

#Unit 11. Evolution and Behavior

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

#Unit 11. Evolution and Behavior

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?