Class XI

Which one is not a member of kingdom Protista?
  1. Phycomycetes
  2. Protozoa
  3. Euglenoids
  4. Slime molds
A distinction between unicellular and multicellular is not possible in case of
  1. Plantae
  2. Algae
  3. Protozoa
  4. Protozoa
Which is the cofactor for the proteolytic enzyme carboxypeptidase?
  1. Magnesium
  2. Copper
  3. Mercury
  4. Zinc
Plants can synthesis all types of fatty acids but animals lacks machinery to synthesis three fatty acids called essential fatty acids. They are
  1. Linolenic, Palmitic and Arachidonic acids
  2. Linoleic , Linolenic and Arachidonic acids
  3. None of these
  4. Linoleic , Tartaric and Oleic acids
The formation of both peptide and glycosidic bonds involves
  1. Esterification
  2. Hydration
  3. Acidification
  4. Dehydration
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