TLS Online TPP Program

#Question id: 10926


Following a blood donation, red cell production begins to increase in

#I Life Science/ Life Sciences Group – I-V
  1. 30 minutes
  2. 24 hours
  3. 2 days
  4. 5 days
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TLS Online TPP Program

#Question id: 4935

#SCPH28 | Zoology

Which gas was least abundant in Earthʹs early atmosphere, prior to 2 billion years ago?

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?