Practice Questions

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#Question id: 368

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

#SCPH01 Biochemistry

A pH change from 5.0 to 6.0 reflects an increase in the hydroxide ion concentration (OH-) of 20%
A pH change from 8.0 to 6.0 reflects an increase in the hydroxide ion concentration (OH-) by a factor of 100
Hydrogen bonds form readily in aqueous solutions
The pH can be calculated by adding 7 to the value of pOH

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TLS Online TPP Program

#Question id: 5119

#SCPH01 Biochemistry

when the presumptive eye region from a gastrula is grafted into the trunk region of another neurula, it develops to somitic tissue; whereas transplant from eye region of later stage neurula develops as an eye-like structure in host embryo. Which statement describes the results best?

TLS Online TPP Program

#Question id: 23159

#SCPH06 I Botany

Rhodamine is a fluorescent dye which emits a colour?

TLS Online TPP Program

#Question id: 20985

#SCPH06 I Botany

In consistent fashion, the BTEX hydrocarbon decay linked with sulfate as the terminal electron acceptor did not observe

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#Question id: 1644

#SCPH05 I Biotechnology

What is the single best defining feature of a lymphocyte?