CONCEPTS OF GENETICS (2219 MCQS)

Introduction to Genetics (61) Mitosis and Meiosis(110) Mendelian Genetics (67) Extensions of Mendelian Genetics(115) Chromosome Mapping in Eukaryotes(65) Genetic Analysis and Mapping in Bacteria and Bacteriophage(100) Sex Determination & Sex Chromosomes(113) Chromosomal mutations,Variation in Number and Arrangement(119) Extranuclear inheritance(66) DNA Structure and Analysis(90) DNA Replication and Recombination(90) DNA Organization in Chromosomes(70) The Genetic Code and Transcription(120) Translation and Protein(161) Gene Mutation, DNA Repair and Transposition(167) Regulation of Gene Expression in Bacteria(53) Transcriptional Regulation in Eukaryotes(102) Post transcriptional Regulation in Eukaryotes(124) Epigenetic Regulation of Gene Expression(105) Recombinant DNA Technology mcqs(106) mcqs on Genomic Analysis (215)

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Chapter No 16 :Regulation of Gene Expression in Bacteria (53 MCQ`S)

This file include mcqs on Regulation of Gene Expression in Bacteria for NEET exam MDCAT exam entry test preparation, Regulation of gene expression questions answers, mcq on regulation of gene expression in eukaryotes with answers key & explanation, MCQs on Regulation of eukaryotic Gene Expression, Bacterial gene expression MCQs with Answers, Regulation of gene expression in eukaryotes mcqs

  1. Production of enzymes in presence of certain chemical substances is called
    1. Inducible enzymes
    2. Competitive enzymes
    3. Constitutive enzymes
    4. Non-competitive enzymes
      5. Show Answer
      Answer: A
      Explanation:
      • N/A
  2. The enzymes which are produced continuously are called
    1. Inducible enzymes
    2. Competitive enzymes
    3. Constitutive enzymes
    4. Non-competitive enzymes
      5. Show Answer
      Answer: C
      Explanation:
      • N/A
  3. Lactose metabolism in E.coli is regulated by
    1. Inducible enzymes
    2. Competitive enzymes
    3. Constitutive enzymes
    4. Non-competitive enzymes
      5. Show Answer
      Answer: A
      Explanation:
      • N/A
  4. There are _______structural genes in the lac operon
    1. 2
    2. 3
    3. 4
    4. 5
      5. Show Answer
      Answer: B
      Explanation:
      • N/A
  5. The lacZ gene encodes____________enzyme
    1. β-galactosidase
    2. Permease
    3. Transacetylase
    4. Transcripase
      5. Show Answer
      Answer: A
      Explanation:
      • N/A
  6. The lacY gene encodes____________enzyme
    1. β-galactosidase
    2. Permease
    3. Transacetylase
    4. Transcripase
      5. Show Answer
      Answer: B
      Explanation:
      • N/A
  7. The lacA gene encodes____________enzyme
    1. β-galactosidase
    2. Permease
    3. Transacetylase
    4. Transcripase
      5. Show Answer
      Answer: C
      Explanation:
      • N/A
  8. Lac mutations were first isolated and studied by
    1. David Finnegan
    2. Simmon
    3. Hermann J. Muller
    4. Lederberg
      5. Show Answer
      Answer: D
      Explanation:
      • N/A
  9. The order of Lactose metabolism genes in E.coli is
    1. A-Y-Z
    2. Z-Y-A
    3. Z-A-Y
    4. Y-Z-A
      5. Show Answer
      Answer: B
      Explanation:
      • N/A
  10. The order of gene transcription in Lactose metabolism in E.coli is
    1. Cistron Z
    2. Cistron A
    3. Cistron Y
    4. polycistron
      5. Show Answer
      Answer: D
      Explanation:
      • N/A

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