Chapter No 11 :DNA Replication and Recombination (90 MCQ`S)

This file include mcqs on DNA Replication and mcqs on Recombination for NEET exam entry test, DNA replication Multiple choice Questions and Answers PDF, DNA replication Exam questions and Answers, multiple choice questions on dna structure and replication, mcq on dna replication transcription and translation, DNA polymerase synthesizes mcqs, Biochemistry Questions and Answers with explanation, Recombination Damage and Repair of DNA mcqs with answers key & explanation

  1. There were__________theories of DNA replication
    1. 2
    2. 3
    3. 4
    4. 5
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  2. The theory of replication DNA in which one strand is new and other is old in both helices
    1. Cosevative
    2. Semi-conservative
    3. Dispersive
    4. None of these
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  3. The theory of replication in which both strand of both helices are either new or old
    1. Cosevative
    2. Semi-conservative
    3. Dispersive
    4. None of these
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  4. The theory of replication in which both helices are mixtures or hybrids of parental and daughter DNA
    1. Cosevative
    2. Semi-conservative
    3. Dispersive
    4. None of these
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  5. The semiconservative theory of replication was presented by
    1. Meselson and Stahl
    2. Watson and Crick
    3. Franklin
    4. Chargaff
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  6. The Meselson and Stahl used isotopes of ____________in the growth medium to grow bacteria
    1. S
    2. N
    3. C
    4. P
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  7. The Meselson and Stahl used salt of ____________in the test tube for sedimentation equilibrium centrifugation
    1. Ammonium chloride
    2. Cesium chloride
    3. Sodium chloride
    4. Both a and b
    5. Show Answer
      Answer: B
      Explanation:
      • N/A
  8. The Meselson and Stahl used ____________in the growth medium to grow bacteria
    1. Ammonium chloride
    2. Cesium chloride
    3. Sodium chloride
    4. None of these
    5. Show Answer
      Answer: A
      Explanation:
      • N/A
  9. In Meselson and Stahl experiment the first generation of bacteria having heavy isotope of N during centrifuge will form band/bands in the______of test tube when grown in normal N containing medium
    1. Top
    2. Bottom
    3. Middle
    4. Top and bottom
    5. Show Answer
      Answer: C
      Explanation:
      • N/A
  10. In Meselson and Stahl experiment the second generation of bacteria having heavy isotope of N during centrifuge will form band/bands in the______of test tube when grown in normal N containing medium
    1. Top
    2. Bottom
    3. Middle
    4. Middle and top
    5. Show Answer
      Answer: D
      Explanation:
      • N/A

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