Practice Questions

TLS Online TPP Program

#Question id: 34347

Which of the following are true about the Z-value?

#XL - S Microbiology

It is the temperature change required to change the D-value by a factor of 10.
It reflects the thermal sensitivity of an organism.
It can be determined from a plot of log D-value vs. temperature.
It is independent of the type of microorganism.

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TLS Online TPP Program

#Question id: 9264

#XL - R Botany

In a comparison of birds and mammals, the condition of having four limbs is

TLS Online TPP Program

#Question id: 9265

#XL - R Botany

To apply parsimony to constructing a phylogenetic tree,

TLS Online TPP Program

#Question id: 9266

#XL - R Botany

which similarly inclusive taxon is represented as descending from the same common ancestor as Canidae?

TLS Online TPP Program

#Question id: 9267

#XL - S Microbiology

Three living species X, Y, and Z share a common ancestor T, as do extinct species U and V. A grouping that consists of species T, X, Y, and Z (but not U or V) makes up

TLS Online TPP Program

#Question id: 9268

#XL - Q Biochemistry

The most active photosynthetic tissue in higher plants is the

TLS Online TPP Program

#Question id: 9268

#XL - R Botany

The most active photosynthetic tissue in higher plants is the