TLS Online TPP Program

#Question id: 19504


The vertical columns in the periodic table are termed as ———-.

#SCPH05 I Biotechnology
  1. periods
  2. groups
  3. series
  4. none of these
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TLS Online TPP Program

#Question id: 4940

#SCPH06 I Botany

In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of

TLS Online TPP Program

#Question id: 4940

#SCPH28 | Zoology

In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of

TLS Online TPP Program

#Question id: 4941

#SCPH06 I Botany

Which of the factors below weaken the hypothesis of abiotic synthesis of organic monomers in early Earthʹs atmosphere?

1.  the relatively short time between intense meteor bombardment and appearance of the first life forms

2.  the lack of experimental evidence that organic monomers can form by abiotic synthesis

3.  Uncertainty about which gases comprised early Earthʹs atmosphere

TLS Online TPP Program

#Question id: 4941

#SCPH28 | Zoology

Which of the factors below weaken the hypothesis of abiotic synthesis of organic monomers in early Earthʹs atmosphere?

1.  the relatively short time between intense meteor bombardment and appearance of the first life forms

2.  the lack of experimental evidence that organic monomers can form by abiotic synthesis

3.  Uncertainty about which gases comprised early Earthʹs atmosphere

TLS Online TPP Program

#Question id: 4942

#SCPH06 I Botany

Which of the following has not yet been synthesized in laboratory experiments studying the origin of life?

TLS Online TPP Program

#Question id: 4942

#SCPH28 | Zoology

Which of the following has not yet been synthesized in laboratory experiments studying the origin of life?