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?

#11. Evolution and Behavior

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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#Question id: 16093

#7. System Physiology – Animal

The thermoregulatory centre is located in:

TLS Online TPP Program

#Question id: 9175

#9. Diversity of Life Forms

In deep water, which of the following abiotic factors would most limit primary productivity?

TLS Online TPP Program

#Question id: 9571

#10. Ecological Principles

All homeostatic systems used by organisms to regulate body temperature are described by which of the following?

TLS Online TPP Program

#Question id: 19304

#12. Applied Biology

What happens to signal peptides after the protein has been translocated to the desired location, to generate the mature functional proteins

TLS Online TPP Program

#Question id: 10731

#10. Ecological Principles

Shannon index of diversity is calculated using the equation below

Community with 5 species and evenness value is one, what will be value of Shannon index