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#Question id: 4967


Recent evidence indicates that the first major diversification of multicellular eukaryotes may have coincided in time with the

#Unit 11. Evolution and Behavior
  1. origin of prokaryotes.

  2. switch to an oxidizing atmosphere.

  3. melting that ended the ʺsnowball Earthʺ period.

  4. origin of multicellular organisms.


Answer:- Option(s): 3


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TLS Online TPP Program

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#Question id: 23384

#General Aptitude

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#Question id: 20540

#Unit 12. Applied Biology

Toluene, ethylbenzene and xylene must be kept to ________levels in drinking and recreational waters due to their toxicity

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