TLS Online TPP Program

#Question id: 8849


Humans can digest starch but not cellulose because

#XL - R Botany
  1. the monomer of starch is glucose, while the monomer of cellulose is galactose.
  2. humans have enzymes that can hydrolyze the beta (β) glycosidic linkages of starch but not the alpha (α) glycosidic linkages of cellulose.
  3. humans have enzymes that can hydrolyze the alpha (α) glycosidic linkages of starch but not the beta (β) glycosidic linkages of cellulose.
  4. humans harbor starch-digesting bacteria in the digestive tract.
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TLS Online TPP Program

#Question id: 3259

#XL - T Zoology

Different type of evolution leads to group of taxon in following three manners

A- group of taxon whose member have descended from common ancestor

B- when two lineages convergently  evolve similar character states form  groups that are recognized by pheneticists

c. taxon that include most recent ancestor but not all of its descendent

TLS Online TPP Program

#Question id: 3260

#XL - T Zoology

Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1 genotype is 0.04) The frequency of A2 allele is

TLS Online TPP Program

#Question id: 3261

#XL - T Zoology

A parent population (P) is change into daughter populations (Q) which grow in habitats. After 1000 generations, the equilibrium frequency distribution of of the daughter populations is shown in the figure below. For reference, the vertical line represents the mean of the parent population. Which type of natural selection?

TLS Online TPP Program

#Question id: 3262

#XL - T Zoology

In a population, the genotype frequencies are: f(A1A1)= 0.35; f(A1A2) = 0.30; f(A2A2) = 0.35; Which of the following statement is correct?

TLS Online TPP Program

#Question id: 3263

#XL - T Zoology

From an evolutionary point of view, plant tendrils derived from leaves and those derived from stems are examples of

TLS Online TPP Program

#Question id: 3429

#XL - T Zoology

Which of the following is a behavioral pattern that results from a proximate cause?