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Zoology - Molecular Genetics 1 Mark Creative Question Paper With Answer Key

12th Standard

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Biology

Time : 00:15:00 Hrs
Total Marks : 15

    Multiple Choice Question

    15 x 1 = 15
  1. The term gene was coined by ________

    (a)

    Mendel

    (b)

    Lyon

    (c)

    Johannsen

    (d)

    Hershey

  2. The classical concept of a gene was given by _______.

    (a)

    Mendel

    (b)

    Sutton

    (c)

    Johannsen

    (d)

    Hofmeister

  3. One gene one enzyme hypothesis was proposed by Beadle and Tatum based on ________

    (a)

    Yeast

    (b)

    Drosophila

    (c)

    E. coli

    (d)

    Neurospora

  4. Chromosomes were first observed by ________.

    (a)

    Miescher

    (b)

    Hofmeister

    (c)

    Avery

    (d)

    Griffith

  5. The term nucleic acid was coined by ________.

    (a)

    Miescher

    (b)

    Hofmeister

    (c)

    Altman

    (d)

    Mcleod

  6. Griffith's experiments proved that _________.

    (a)

    RNA is involved in protein synthesis

    (b)

    Bacteria undergoes asexual reproduction

    (c)

    DNA is the genetic material

    (d)

    DNA is made of two strands

  7. The experiment conducted by Griffith was based on_________.

    (a)

    Transduction

    (b)

    Replication

    (c)

    Transformation

    (d)

    Conjucation

  8. Human Genome was sequenced in ________.

    (a)

    1979

    (b)

    2015

    (c)

    1989

    (d)

    2001

  9. ___________ used radioactive labelled molecules to prove that DNA is the genetic material.

    (a)

    Hershey and Chase

    (b)

    Wilkins and Franklin

    (c)

    Griffith

    (d)

    Mcleod and Avery

  10. One difference between deoxyribose and Ribose is due to________.

    (a)

    One Oxygen atom more in Ribose

    (b)

    Two Oxygen atoms less in Deoxyribose

    (c)

    Two Carbon atoms less in Ribose

    (d)

    Four Carbon atoms more in Ribose

  11. _______is unique for DNA.

    (a)

    Adenine

    (b)

    Uracil

    (c)

    Guanine

    (d)

    Thymine

  12. _______demonstrated that RNA is the genetic material in RNA containing viruses.

    (a)

    Avery

    (b)

    Conrat and Singer

    (c)

    Griffith

    (d)

    Watson and Crick

  13. The concept of RNA world was independently proposed by __________

    (a)

    Orgel, Brick and Carl woese

    (b)

    Brick, Griffith and Crick

    (c)

    Wilkins and Franklin

    (d)

    Walter Gilbert

  14. The distance between two consecutive base pairs in DNA is_________.

    (a)

    3.4 nm

    (b)

    0.34 nm

    (c)

    34.0nm

    (d)

    31x10-9

  15. The term ___________ refers to DNA of Prokaryotes.

    (a)

    Nuclein

    (b)

    Ribozyme

    (c)

    Genophore

    (d)

    Nucleosome

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