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TLS Online TPP Program

#Question id: 20228

NH3 has a higher boiling point than expected because

#XL - P Chemistry
  1. its density decreases on freezing
  2. with water it forms NH4OH
  3. it has strong inter molecular covalent bonds ?
  4. it has intermolecular hydrogen bonds.
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TLS Online TPP Program

#Question id: 15262

#XL - S Microbiology

A media which makes easier to distinguish colonies of the desired organism from other colonies growing on the same plate.
TLS Online TPP Program

#Question id: 15263

#XL - S Microbiology

Pure colonies also can be obtained from
TLS Online TPP Program

#Question id: 15264

#XL - S Microbiology

What chemical can be used to deplete the oxygen present in the culture medium
TLS Online TPP Program

#Question id: 15265

#XL - S Microbiology

The growth of microorganisms in a food product is influenced by the availability of
TLS Online TPP Program

#Question id: 15275

#XL - Q Biochemistry

Affinity chromatography on oligo(dT)-cellulose columns, is used for eukaryotic mRNA extraction, instead of using oligo(dT)-cellulose we can also use
TLS Online TPP Program

#Question id: 15310

#XL - S Microbiology

Organisms such as Escherichia, Enterococcus, Saccharomyces cerevisiae does not require O2 for growth, but grows better in its presence. Such organisms are termed as