10th Standard English Medium Science Subject Genetics Creative 1 Mark Questions with Solution Part - II

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. Franklin and Wilkin were awarded nobel prize for_______.

    (a)

    studying DNA replication

    (b)

    studying about RNA

    (c)

    X - ray diffraction studies of DNA.

    (d)

    isolating DNA

  2. Down's syndrome is a case of___________

    (a)

    Euploidy

    (b)

    Deletion

    (c)

    Translocation

    (d)

    Aneuploidy

  3. ________is a gene mutation

    (a)

    Deletion

    (b)

    Duplication

    (c)

    Translocation

    (d)

    Ploidy

  4. The enzyme called________ bind to the origin of replication site.

    (a)

    Replicase

    (b)

    Helicase

    (c)

    Amylase

    (d)

    Ligase

  5. In human, each cell normally consists _________of chromosomes.

    (a)

    23 pairs

    (b)

    22 pairs

    (c)

    20 pairs

    (d)

    12 pairs

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