Gentics Basis Of Inheritance

20 Questions

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Gentics Basis Of Inheritance

First Chapter Of MHstate board HSC book.


Questions and Answers
  • 1. 
    When the term genetics Discovered by wiilam bateson?
    • A. 

      1904

    • B. 

      1908

    • C. 

      1902

    • D. 

      1906

  • 2. 
    When two organisms are crossed, the offspring are referred to as?
    • A. 

      The F2 generation.

    • B. 

      Recessive.

    • C. 

      The F1 generation.

    • D. 

      A genotype.

  • 3. 
    A chart used to determine the offspring of a genetic cross is called a
    • A. 

      Cross chart

    • B. 

      Back cross chart

    • C. 

      Punnet square 

    • D. 

      Genetic Square

  • 4. 
    What does GENOTYPE refer to?
    • A. 

      The chromosomes of an organism

    • B. 

      The genetic make-up of an organism

    • C. 

      The type of gene in question

    • D. 

      The physical expression of gene

  • 5. 
    Number of Genotype in dihybrid ratio ?
    • A. 

      9

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 6. 
    Antirrhinum majus is an example of 
    • A. 

      Co-dominanace  

    • B. 

      Law of assortment

    • C. 

      Law of dominance

    • D. 

      Incomplete dominance

  • 7. 
    A gene which causes death of the barrier is called 
    • A. 

      Complementry gene

    • B. 

      Substitution gene

    • C. 

      Inversion gene  

    • D. 

      Lethal gene

  • 8. 
    Which gene controls the ABO blood group,            .
  • 9. 
    Marriage between white and black colour  and in  F1 genneration show skin colour is
    • A. 

      Black

    • B. 

      Nigro

    • C. 

      Malenin

    • D. 

      Mullatoes

  • 10. 
    When the Gregor Johann Mendel start the experiment on pea plant
    • A. 

      1855

    • B. 

      1856

    • C. 

      1864

    • D. 

      1865

  • 11. 
    Why Mendel select pea plant for his experiments
    • A. 

      They are bisexual

    • B. 

      They have short life span

    • C. 

      Both A and B

    • D. 

      Only A

  • 12. 
    Exceptions to Law of Dominanace is Incomplete dominance and co-dominance
    • A. 

      True

    • B. 

      False

  • 13. 
    Genetics is?
    • A. 

      Study of heredity and inheritance

    • B. 

      Study of heredity and variation

    • C. 

      Study of variation and inheritance

    • D. 

      Study of process of heredity

  • 14. 
    Which  term was coined by johannsen?
    • A. 

      Allele

    • B. 

      Factor

    • C. 

      Gene

    • D. 

      Both A and B

  • 15. 
    What is the phenotypic ratio & number of genotype in incomplete dominance
    • A. 

      3:1 & 3 respectivily

    • B. 

      3:1 & 2 respectivily

    • C. 

      1:2:1: & 2 respectevely

    • D. 

      1:2:1: & 3 respectevely

  • 16. 
    Who is theFather of Genetics?
    • A. 

      G.J. Mendel

    • B. 

      William Batesson

    • C. 

      Johannson

    • D. 

      A.V. Leuwenhoek

  • 17. 
    What is the Genotypic ratio of dihybrid Cross
    • A. 

      1:2:1:2:1:4:1:2:1

    • B. 

      1:2:4:2:1:2:1:2:1

    • C. 

      1:2:2:4:1:2:1:2:1

    • D. 

      Above all are incorrect

  • 18. 
    What is phenotypic ratio when two genes cross in case of Quantitative inheritance
    • A. 

      3:3:3:1

    • B. 

      3:1

    • C. 

      1:2:1

    • D. 

      1:4:6:4:1

  • 19. 
    Alternative form of gene is known as
    • A. 

      Trait

    • B. 

      Factor

    • C. 

      Allele

    • D. 

      Both B & C

  • 20. 
    How much Characterare selected by mendel on his experimnt of pea plant
    • A. 

      14

    • B. 

      12

    • C. 

      7

    • D. 

      9

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