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TLS Online TPP Program

#Question id: 368

Which of the following is true about the properties of aqueous solutions?

#SCPH05 I Biotechnology

  1. A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration (OH-) of 20%

  2. A pH change from 8.0 to 6.0 reflects an increase in the hydroxide ion concentration (OH-) by a factor of 100

  3. Hydrogen bonds form readily in aqueous solutions

  4. The pH can be calculated by adding 7 to the value of pOH

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TLS Online TPP Program

#Question id: 430

#SCPH06 I Botany

The reactions that digest foods in the mouth, stomach and intestine are classified as reactions.
TLS Online TPP Program

#Question id: 4573

#SCPH28 | Zoology

Which of the following pieces of evidence most strongly supports the common origin of all life on Earth?
TLS Online TPP Program

#Question id: 12671

#SCPH06 I Botany

When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,
TLS Online TPP Program

#Question id: 3551

#SCPH12 I Genetics

In angiosperm plant, assume that the male parent has an AA Bb genotype, and that the female parent has an aa BB genotype. What is genotype in endosperm nucleus, after reproduction between these two plants?
TLS Online TPP Program

#Question id: 14288

#SCPH05 I Biotechnology

During a batch culture experiment the following data was obtained 

What will be the product yield (g) per gram of substrates?