Practice Questions

TLS Online TPP Program

#Question id: 8687

Your professor wants you to construct a phylogenetic tree of orchids. She gives you tissue from seven orchid species and one lily. What is the most likely reason she gave you the lily?

#SCPH28 | Zoology

to serve as an outgroup
to see if the lily is a cryptic orchid species
to see if the lily and the orchids show all the same shared derived characters
to demonstrate likely homoplasies

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TLS Online TPP Program

#Question id: 27146

#SCPH05 I Biotechnology

In industries titanium is hardened through diffusion of carbon. The concentration of carbon at 1mm into the surface of the titanium slab is 0.25kg/m³ and at 3mm the concentration is 0.68kg/m³. The rate at which the carbon is entering into its surface is 1.27*10-9kg/m².s. calculate the value of diffusion coefficient of carbon.

TLS Online TPP Program

#Question id: 4303

#SCPH01 Biochemistry

Which component is not directly involved in translation?

TLS Online TPP Program

#Question id: 5257

#SCPH28 | Zoology

Which term is least closely associated with the others?

TLS Online TPP Program

#Question id: 11380

#SCPH28 | Zoology

Which of the following is/are NOT valid explanation(s) for the observed pattern of species richness?