Practice Questions

TLS Online TPP Program

#Question id: 4976

Which of these is the most likely explanation for the existence of dicynodont fossils on modern-day Antarctica?

#SCPH28 | Zoology

They arrived there aboard ʺraftsʺ of vegetation, and quickly adapted to the bitterly cold climate.
Earthʹs polar regions were once so warm (especially immediately after the ʺsnowball Earth periodʺ) that reptiles and mammal-like reptiles flourished there.
The landmass that is now the Antarctic continent was formerly located at a more-northerly position, and was also united to other landmasses.
Dicynodonts originated on the island continent of Antarctica and went extinct as the continent migrated to its current position at the South Pole.

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TLS Online TPP Program

#Question id: 4147

#SCPH01 Biochemistry

Which one of the following antibiotics does not function by interfering with the translational process?

TLS Online TPP Program

#Question id: 18863

#SCPH01 Biochemistry

A microscopes resolving power is a function of-

TLS Online TPP Program

#Question id: 17997

#SCPH06 I Botany

In RNA isolation, for protein free solution what will be the ratio at nm

TLS Online TPP Program

#Question id: 11452

#SCPH28 | Zoology

A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.

TLS Online TPP Program

#Question id: 425

#SCPH01 Biochemistry

Which is usually the slowest way to regulate a reaction in a metabolic pathway?