Chapter No 2 :Chemical Principles (25 MCQ`S)

  1. The bond present between two amino acid is known as
    1. Glycosidic bond
    2. Peptide
    3. Ester bond
    4. Covenant bond
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  2. Which type of isomer present in all protein?
    1. L-isomer
    2. D-isomer
    3. L-D Isomer
    4. None of these
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  3. Which of the following amino acid is only a stereoisomer?
    1. Glycine
    2. Valine
    3. Glutamic acid
    4. Cystein
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  4. Cell wall rich in lipid content present in which of the following bacteria?
    1. Mycobacteria um tuberclosis
    2. Escericha coli
    3. Salmonella typhi
    4. Staphlococcus aurus
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  5. Which one of the following statement best explains secondary structure of protein.?
    1. It is a unique sequence in which amino acids are linked togather
    2. It is a localized repetitious twisting of polypeptide chain
    3. It is a three-dimension structure of polypeptide chain
    4. It is a quaternary structure, which is an aggregation of two or more polypeptide chain
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  6. Which of the following statement is true regarding the composition of "nucleoside."
    1. It is composed of purine ring and phosphate group
    2. It is composed of a pyramidine ring and phosphate group
    3. It is composed of nitrogenous bases and pentose sugar
    4. It is composed of nitrogenous bases and phosphate group
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  7. ATP stand for:
    1. Adenosine triphosphate
    2. Adenosine tetraphosphate
    3. Adenine triphosphate
    4. Adenine tetraphosphate
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  8. Which one of the following is not a function of DNA?
    1. It regulate all functions of cell
    2. It can transfer heredity function
    3. It can make protein
    4. None of thes
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  9. If one strand of DNA have ATGC than opposite strand have which of the following sequence?
    1. TACG
    2. CGTA
    3. TCGA
    4. ACTG
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  10. Which one of the following is not a lipid?
    1. Protein
    2. Oil
    3. Terpenoid
    4. Wax
    5. Show Answer
      Answer: B
      Explanation:
      • N/A

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