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General Knowledge :: Biology

  1. In man there are how many pairs of homologous chromosomes?

  2. A.

     46

    B.

     23

    C.

     16

    D.

     11


  3. It is composed of two polynucleotide chains which are coiled around each other in the form of a double helix.

  4. A.

     DNA

    B.

     RNA

    C.

     Fats

    D.

     None of the above


  5. How many chromosomes are in a human gamete?

  6. A.

     23

    B.

     46

    C.

     92

    D.

     102


  7. What is the unit of heredity?

  8. A.

     Cell

    B.

     Blood

    C.

     Gene

    D.

     All of the above


  9. Who discovered genetic material?

  10. A.

     Crick and Watson

    B.

     Avery Mclood

    C.

     Friedrich Griffith

    D.

     Federik Meischer


  11. Which one of the following is not a genetic disorder?

  12. A.

     Colour blindness

    B.

     Down's syndrome

    C.

     Haemophilia

    D.

     Xerophthalmia


  13. Who is known as Father of Modern Genetics?

  14. A.

     Charles Darwin

    B.

     Louis Pasteur

    C.

     Gregor Mendel

    D.

     Jean Baptiste Lamarck


  15. How many pairs of chromosomes are found in a human cell?

  16. A.

     18

    B.

     23

    C.

     27

    D.

     32


  17. The experimental material used by Gregor Mendel is ________

  18. A.

     Pea plant

    B.

     Drossophila

    C.

     Potato plant

    D.

     None of the above


  19. Mendel's second law is the law of

  20. A.

     Segregation

    B.

     Independent assortment

    C.

     Dominance

    D.

     Polygenic inheritance