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Oct 6, 2012

10th samacheerkalvi science online exam: 1. HEREDITY AND EVOLUTION

Oct 6, 2012

science online Quiz

  1. Mendel observed 7 pairs of contrasting characters in Pisum sativum. One of the following is not a part of that. Find out.
    Tall and dwarf
    Yellow and green seed colour
    Smooth and rough stem
    Terminal and axial Flower
  2. Primitive man evolved in
    America
    Africa
    Australia
    India
  3. Which of the following is inheritable
    an altered gene in sperm
    an altered gene in testes
    an altered gene in zygot
    an altered gene in udder cell
  4. Theory of natural selection was proposed by
    Hugo de Vries
    Charles Darwin
    Gregor Johann Mendel
    Jean Baptise Lamarck
  5. Somatic gene therapy
    affects body cell
    affects progeny
    affects egg
    affects sperm

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