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?

#XL - S Microbiology

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: 4141

#XL - T Zoology

Bacterial ribosomes:

TLS Online TPP Program

#Question id: 11278

#XL - R Botany

Which of the following is true with respect to oligotrophic lakes and eutrophic lakes?

A) Oligotrophic lakes are less subject to oxygen depletion.

B) Rates of photosynthesis are lower in eutrophic lakes.

C) Eutrophic lake water contains higher concentrations of nutrients.

D)Sediments in oligotrophic lakes contain larger amounts of decomposable organic matter.

TLS Online TPP Program

#Question id: 3794

#XL - Q Biochemistry

An input of energy is not required for which of the following steps of replication?

TLS Online TPP Program

#Question id: 14971

#XL - S Microbiology

Bacillus and Clostridium are medically relevant groups of bacteria that characteristically stain

TLS Online TPP Program

#Question id: 16852

#General Aptitude

He bought a blue car on his birthday.