Practice Questions

TLS Online TPP Program

#Question id: 5273

Replica plating

#XL - S Microbiology

is useful for direct selection.
is useful for identifying auxotrophs.
uses media on which the mutant will not grow and the parental cell type will.
is useful for identifying auxotrophs AND uses media on which the mutant will not grow and the parental cell type will.

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TLS Online TPP Program

#Question id: 20087

#XL - P Chemistry

Practicol dipal movement of HCl is 1.03D. If bond length of HCl is 1.275 A^o than what will be the pereentage of ionic nature in HCl ?

TLS Online TPP Program

#Question id: 20088

#XL - P Chemistry

Which sentence is correct with respect to bond enthalpy ?

TLS Online TPP Program

#Question id: 20089

#XL - P Chemistry

which of the following orbitals form bonding orbital ?

TLS Online TPP Program

#Question id: 20090

#XL - P Chemistry

Mention number of bonding electron pairs and nonbonding electron pairs in NO₃^- ion

TLS Online TPP Program

#Question id: 20091

#XL - P Chemistry

How many numbers of bonding and nonbonding electron pairs in CO2 ?

TLS Online TPP Program

#Question id: 20092

#XL - P Chemistry

Mention proper order of bond length given below.