Practice Questions

TLS Online TPP Program

#Question id: 9191

When an arborist prunes a limb off a valuable tree, he or she usually paints the cut surface. The primary purpose of the paint is to

#9. Diversity of Life Forms

minimize water loss by evaporation from the cut surface.
improve the appearance of the cut surface.
stimulate growth of the cork cambium to ʺhealʺ the wound.
block entry of pathogens through the wound.

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TLS Online TPP Program

#Question id: 19882

#13. Methods in Biology

The vector containing the DNA fragment to be cloned

TLS Online TPP Program

#Question id: 19884

#13. Methods in Biology

The first successful transformation of rDNA molecules into a bacterium was carried out by

TLS Online TPP Program

#Question id: 19885

#13. Methods in Biology

The plasmid used by Cohen and Boyer fr their transformation experiment was

TLS Online TPP Program

#Question id: 19887

#13. Methods in Biology

Paul Berg’s gene splicing experiment created the first rDNA molecules which was a

TLS Online TPP Program

#Question id: 19889

#12. Applied Biology

The genetic monitoring and disease diagnosis are examples for ______________________ sensor?

TLS Online TPP Program

#Question id: 19890

#12. Applied Biology

QCM is a kind of a piezoelectric biosensor which detects mass change. What is the standard form of QCM biosensor ?