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TLS Online TPP Program

#Question id: 2791

In mammals, X-chromosome inactivation

#Life Sciences

  1. occurs in half the diploid cells of the adult female.

  2. results from the ionization of the X-chromosome.

  3. is considered an epigenetic event.

  4. b and c

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TLS Online TPP Program

#Question id: 40093

#Environmental Science

Q. The hardest mineral on Mohs scale is:
TLS Online TPP Program

#Question id: 40094

#Environmental Science

Q. The theory of continental drift was proposed by:
TLS Online TPP Program

#Question id: 40095

#Environmental Science

Q. Sea-floor spreading occurs at:
 
TLS Online TPP Program

#Question id: 40096

#Environmental Science

Q. The deepest oceanic trench is the:
TLS Online TPP Program

#Question id: 40097

#Environmental Science

Q. The point of origin of an earthquake inside the Earth is called the:
TLS Online TPP Program

#Question id: 40098

#Environmental Science

Q. Which seismic wave travels the fastest?