Chemical Analysis MCQ

Test your knowledge with important Chemical Analysis MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Chemical Analysis MCQs on Bissoy. Bissoy App

• Which of the following is not a nucleotide?
  ক

  Adenylic acid

  খ

  Thymidylic acid

  গ

  Guanylic acid

  ঘ

  Cytidine
• How many carbon atoms are there in palmitic acid?
  ক

  16

  খ

  18

  গ

  20

  ঘ

  22
• Lipids are generally water-soluble.
  ক

  True

  খ

  False
• Which of the following is a basic amino acid?
  ক

  Tryptophan

  খ

  Tyrosine

  গ

  Lysine

  ঘ

  Glutamic acid
• Based on which of the following there are different kinds of amino acids?
  ক

  Nature of R group

  খ

  Nature of amino group

  গ

  Nature of carboxyl group

  ঘ

  Nature of hydrogen
• What is the other name of α-amino acids?
  ক

  Substituted methanes

  খ

  Substituted alcohols

  গ

  Substituted alkyl halides

  ঘ

  Substituted carboxylic acids
• Amino acids contain an amino group and an acidic group at different carbons
  ক

  True

  খ

  False
• Why do we use dry weights for the chemical analysis?
  ক

  Because it is vulnerable

  খ

  Because of water leaks everywhere

  গ

  Because water is not absorbed by chemicals

  ঘ

  Because different organisms have different water-absorbing capacities
• What is the use of elemental analysis?
  ক

  To add those nutrients in food

  খ

  To find the elemental composition of living tissues

  গ

  To gain confidence

  ঘ

  To research the unknown
• What is the percentage weight of carbon in the earth’s crust?
  ক

  0.01

  খ

  0.3

  গ

  0.03

  ঘ

  0.14
• What are biomolecules?
  ক

  Molecules of quantum mechanics

  খ

  Molecules of Life

  গ

  Molecules related to string theory

  ঘ

  It is a molecule
• Which of the following acids is used for the chemical analysis of living tissues?
  ক

  Trichloroacetic acid

  খ

  Trifluoroacetic acid

  গ

  Tribromoacetic acid

  ঘ

  Triiodoacetic acid
• A nucleoside consists of _____
  ক

  sugar, phosphate

  খ

  base, phosphate

  গ

  base, sugar

  ঘ

  base, sugar, phosphate
• Which nitrogenous base is not found in RNA?
  ক

  Guanine

  খ

  Adenine

  গ

  Thymine

  ঘ

  Cytosine
• Which of these makes up the cell membrane?
  ক

  Peptidoglycans

  খ

  Polysaccharides

  গ

  Glycoproteins

  ঘ

  Phospholipids
• Fats have higher melting points than oils. True or false?
  ক

  True

  খ

  False
• Glycerol is also known as ______
  ক

  dihydroxy butane

  খ

  methyl butanol

  গ

  trihydroxy propane

  ঘ

  3 propanol
• How many carbon atoms does arachidonic acid contain?
  ক

  16

  খ

  12

  গ

  18

  ঘ

  20
• How many carbon atoms does palmitic acid contain?
  ক

  16

  খ

  14

  গ

  18

  ঘ

  12
• Which of these statements is not true regarding amino acids?
  ক

  The amino group is ionizable

  খ

  The acidic group is ionizable

  গ

  Structure remains same at different pH

  ঘ

  Glycine is the simplest amino acid
• Which of these amino acids is not aromatic?
  ক

  Tyrosine

  খ

  Methionine

  গ

  Tryptophan

  ঘ

  Phenylalanine
• Which of these is a neutral amino acid?
  ক

  Valine

  খ

  Histidine

  গ

  Lysine

  ঘ

  Aspartic acid
• Which of these is an amino acid with pH less than 7?
  ক

  Valine

  খ

  Lysine

  গ

  Glutamic acid

  ঘ

  Histidine
• Which amino acid has a hydroxy methyl group as R?
  ক

  Tryptophan

  খ

  Lysine

  গ

  Serine

  ঘ

  Leucine
• Which amino acid has a methyl group as R?
  ক

  Serine

  খ

  Glycine

  গ

  Valine

  ঘ

  Alanine
• What is the simplest amino acid?
  ক

  Valine

  খ

  Glycine

  গ

  Methionine

  ঘ

  Alanine
• Which of these amino acids do not possess a chiral carbon?
  ক

  Glycine

  খ

  Alanine

  গ

  Valine

  ঘ

  Leucine
• How many amino acids are present in the body?
  ক

  10

  খ

  15

  গ

  21

  ঘ

  20
• An amino acid is a substituted ______
  ক

  carboxylic acid

  খ

  alcohol

  গ

  methane

  ঘ

  aldehyde
• Which of these are not present in every amino acid?
  ক

  Amino group

  খ

  Acidic group

  গ

  α-carbon

  ঘ

  Sulphur